Merge pull request #752 from 0xProject/make-promises-safe-preloader

Use make-promises-safe as a preloader instead of manually importing

71 files changed, 17 insertions, 72 deletions

diff --git a/packages/0x.js/package.json b/packages/0x.js/package.json
index 2aeb1ddf2..12fbf0347 100644
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -30,7 +30,7 @@
         "clean": "shx rm -rf _bundles lib test_temp scripts src/generated_contract_wrappers",
         "build:umd:prod": "NODE_ENV=production webpack",
         "build:commonjs": "tsc && copyfiles -u 2 './src/compact_artifacts/**/*.json' ./lib/src/compact_artifacts && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js lib/test/global_hooks.js --timeout 10000 --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js lib/test/global_hooks.js --timeout 10000 --bail --exit",
         "manual:postpublish": "yarn build; node ./scripts/postpublish.js",
         "docs:stage": "node scripts/stage_docs.js",
         "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --json $JSON_FILE_PATH $PROJECT_FILES",
diff --git a/packages/0x.js/test/0x.js_test.ts b/packages/0x.js/test/0x.js_test.ts
index 5d2eb6d7e..425fc6380 100644
--- a/packages/0x.js/test/0x.js_test.ts
+++ b/packages/0x.js/test/0x.js_test.ts
@@ -3,7 +3,6 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 
 import { ApprovalContractEventArgs, LogWithDecodedArgs, TokenEvents, ZeroEx } from '../src';
diff --git a/packages/0x.js/test/artifacts_test.ts b/packages/0x.js/test/artifacts_test.ts
index fd7066aac..e65b85ad6 100644
--- a/packages/0x.js/test/artifacts_test.ts
+++ b/packages/0x.js/test/artifacts_test.ts
@@ -1,5 +1,4 @@
 import { web3Factory } from '@0xproject/dev-utils';
-import 'make-promises-safe';
 
 import { ZeroEx } from '../src';
 
diff --git a/packages/assert/package.json b/packages/assert/package.json
index 16e8849a7..da9657c13 100644
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -12,7 +12,7 @@
         "build": "tsc && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
         "clean": "shx rm -rf lib test_temp scripts",
         "lint": "tslint --project .",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --exit",
         "prepublishOnly": "run-p build",
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s clean build test",
diff --git a/packages/assert/test/assert_test.ts b/packages/assert/test/assert_test.ts
index e61ec93e0..15fd3e6a8 100644
--- a/packages/assert/test/assert_test.ts
+++ b/packages/assert/test/assert_test.ts
@@ -2,7 +2,6 @@ import { schemas } from '@0xproject/json-schemas';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as dirtyChai from 'dirty-chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { assert } from '../src/index';
diff --git a/packages/base-contract/package.json b/packages/base-contract/package.json
index 02825bb79..ecbde213b 100644
--- a/packages/base-contract/package.json
+++ b/packages/base-contract/package.json
@@ -14,7 +14,7 @@
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s clean build test",
         "test:circleci": "yarn test:coverage",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --bail --exit",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "lint": "tslint --project . --exclude **/src/contract_wrappers/**/*",
diff --git a/packages/base-contract/test/utils_test.ts b/packages/base-contract/test/utils_test.ts
index 316b0b310..c083704f4 100644
--- a/packages/base-contract/test/utils_test.ts
+++ b/packages/base-contract/test/utils_test.ts
@@ -1,6 +1,5 @@
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { formatABIDataItem } from '../src/utils';
diff --git a/packages/connect/package.json b/packages/connect/package.json
index 86f7aeca2..02b23408e 100644
--- a/packages/connect/package.json
+++ b/packages/connect/package.json
@@ -20,7 +20,7 @@
         "clean": "shx rm -rf lib test_temp scripts",
         "copy_test_fixtures": "copyfiles -u 2 './test/fixtures/**/*.json' ./lib/test/fixtures",
         "lint": "tslint --project .",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --exit",
         "test": "run-s copy_test_fixtures run_mocha",
         "rebuild_and_test": "run-s clean build test",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
diff --git a/packages/connect/test/http_client_test.ts b/packages/connect/test/http_client_test.ts
index 30028ec41..311dc96e6 100644
--- a/packages/connect/test/http_client_test.ts
+++ b/packages/connect/test/http_client_test.ts
@@ -3,7 +3,6 @@ import * as chai from 'chai';
 import * as chaiAsPromised from 'chai-as-promised';
 import * as dirtyChai from 'dirty-chai';
 import * as fetchMock from 'fetch-mock';
-import 'make-promises-safe';
 import 'mocha';
 
 import { HttpClient } from '../src/index';
diff --git a/packages/connect/test/orderbook_channel_message_parsers_test.ts b/packages/connect/test/orderbook_channel_message_parsers_test.ts
index 630c95da9..3e1f44384 100644
--- a/packages/connect/test/orderbook_channel_message_parsers_test.ts
+++ b/packages/connect/test/orderbook_channel_message_parsers_test.ts
@@ -1,6 +1,5 @@
 import * as chai from 'chai';
 import * as dirtyChai from 'dirty-chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { orderbookChannelMessageParser } from '../src/utils/orderbook_channel_message_parser';
diff --git a/packages/connect/test/ws_orderbook_channel_test.ts b/packages/connect/test/ws_orderbook_channel_test.ts
index b84629221..ce404d934 100644
--- a/packages/connect/test/ws_orderbook_channel_test.ts
+++ b/packages/connect/test/ws_orderbook_channel_test.ts
@@ -1,7 +1,6 @@
 import * as chai from 'chai';
 import * as dirtyChai from 'dirty-chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 
 import { WebSocketOrderbookChannel } from '../src/ws_orderbook_channel';
diff --git a/packages/contract-wrappers/package.json b/packages/contract-wrappers/package.json
index cd4b25957..fe98e08bf 100644
--- a/packages/contract-wrappers/package.json
+++ b/packages/contract-wrappers/package.json
@@ -24,7 +24,7 @@
         "update_compact_artifacts": "copyfiles -u 2 './src/compact_artifacts/**/*.json' ./lib/src/compact_artifacts",
         "update_test_artifacts": "for i in ${npm_package_config_contracts}; do copyfiles -u 4 ../migrations/artifacts/1.0.0/$i.json test/artifacts; done;",
         "clean": "shx rm -rf _bundles lib test_temp scripts test/artifacts src/contract_wrappers/generated",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js lib/test/global_hooks.js --timeout 10000 --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js lib/test/global_hooks.js --timeout 10000 --bail --exit",
         "manual:postpublish": "yarn build; node ./scripts/postpublish.js"
     },
     "config": {
diff --git a/packages/contract-wrappers/test/artifacts_test.ts b/packages/contract-wrappers/test/artifacts_test.ts
index 34e6bbde8..39801df35 100644
--- a/packages/contract-wrappers/test/artifacts_test.ts
+++ b/packages/contract-wrappers/test/artifacts_test.ts
@@ -1,5 +1,4 @@
 import { web3Factory } from '@0xproject/dev-utils';
-import 'make-promises-safe';
 
 import { ContractWrappers } from '../src';
 
diff --git a/packages/contract-wrappers/test/ether_token_wrapper_test.ts b/packages/contract-wrappers/test/ether_token_wrapper_test.ts
index d08f26c53..b13ac72bb 100644
--- a/packages/contract-wrappers/test/ether_token_wrapper_test.ts
+++ b/packages/contract-wrappers/test/ether_token_wrapper_test.ts
@@ -3,7 +3,6 @@ import { DoneCallback } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import {
diff --git a/packages/contract-wrappers/test/exchange_transfer_simulator_test.ts b/packages/contract-wrappers/test/exchange_transfer_simulator_test.ts
index 1690eb392..cbc52df7f 100644
--- a/packages/contract-wrappers/test/exchange_transfer_simulator_test.ts
+++ b/packages/contract-wrappers/test/exchange_transfer_simulator_test.ts
@@ -2,7 +2,6 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import { BlockParamLiteral, Token } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
-import 'make-promises-safe';
 
 import { ContractWrappers, ExchangeContractErrs } from '../src';
 import { BalanceAndProxyAllowanceLazyStore } from '../src/stores/balance_proxy_allowance_lazy_store';
diff --git a/packages/contract-wrappers/test/exchange_wrapper_test.ts b/packages/contract-wrappers/test/exchange_wrapper_test.ts
index a418f5f22..cf69d4813 100644
--- a/packages/contract-wrappers/test/exchange_wrapper_test.ts
+++ b/packages/contract-wrappers/test/exchange_wrapper_test.ts
@@ -5,7 +5,6 @@ import { BlockParamLiteral, DoneCallback, OrderState } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import {
diff --git a/packages/contract-wrappers/test/order_validation_test.ts b/packages/contract-wrappers/test/order_validation_test.ts
index b88684dd0..2afea2d5f 100644
--- a/packages/contract-wrappers/test/order_validation_test.ts
+++ b/packages/contract-wrappers/test/order_validation_test.ts
@@ -4,7 +4,6 @@ import { OrderError } from '@0xproject/order-utils';
 import { BlockParamLiteral } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
-import 'make-promises-safe';
 import * as Sinon from 'sinon';
 
 import { ContractWrappers, ExchangeContractErrs, SignedOrder, Token } from '../src';
diff --git a/packages/contract-wrappers/test/subscription_test.ts b/packages/contract-wrappers/test/subscription_test.ts
index 3232fd03c..4d638bf9b 100644
--- a/packages/contract-wrappers/test/subscription_test.ts
+++ b/packages/contract-wrappers/test/subscription_test.ts
@@ -2,7 +2,6 @@ import { BlockchainLifecycle, callbackErrorReporter } from '@0xproject/dev-utils
 import { DoneCallback } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 import * as Sinon from 'sinon';
 
diff --git a/packages/contract-wrappers/test/token_registry_wrapper_test.ts b/packages/contract-wrappers/test/token_registry_wrapper_test.ts
index e2881d022..6576d789d 100644
--- a/packages/contract-wrappers/test/token_registry_wrapper_test.ts
+++ b/packages/contract-wrappers/test/token_registry_wrapper_test.ts
@@ -2,7 +2,6 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import { schemas, SchemaValidator } from '@0xproject/json-schemas';
 import * as chai from 'chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 
 import { ContractWrappers, Token } from '../src';
diff --git a/packages/contract-wrappers/test/token_transfer_proxy_wrapper_test.ts b/packages/contract-wrappers/test/token_transfer_proxy_wrapper_test.ts
index 0110e437f..0b66985aa 100644
--- a/packages/contract-wrappers/test/token_transfer_proxy_wrapper_test.ts
+++ b/packages/contract-wrappers/test/token_transfer_proxy_wrapper_test.ts
@@ -1,5 +1,4 @@
 import * as chai from 'chai';
-import 'make-promises-safe';
 
 import { ContractWrappers } from '../src';
 
diff --git a/packages/contract-wrappers/test/token_wrapper_test.ts b/packages/contract-wrappers/test/token_wrapper_test.ts
index 6cb1869fc..c9722c7b4 100644
--- a/packages/contract-wrappers/test/token_wrapper_test.ts
+++ b/packages/contract-wrappers/test/token_wrapper_test.ts
@@ -3,7 +3,6 @@ import { EmptyWalletSubprovider } from '@0xproject/subproviders';
 import { DoneCallback, Provider } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 import Web3ProviderEngine = require('web3-provider-engine');
 
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 9e7dad674..3bb66067d 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -20,7 +20,7 @@
         "test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",
         "test:profiler": "SOLIDITY_PROFILER=true run-s build run_mocha profiler:report:html",
         "test:trace": "SOLIDITY_REVERT_TRACE=true run-s build run_mocha",
-        "run_mocha": "mocha --require source-map-support/register 'lib/test/**/*.js' --timeout 100000 --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe 'lib/test/**/*.js' --timeout 100000 --bail --exit",
         "compile": "sol-compiler",
         "clean": "shx rm -rf lib src/generated_contract_wrappers",
         "generate_contract_wrappers":
diff --git a/packages/contracts/test/asset_proxy/authorizable.ts b/packages/contracts/test/asset_proxy/authorizable.ts
index 347d060d6..ed582b63e 100644
--- a/packages/contracts/test/asset_proxy/authorizable.ts
+++ b/packages/contracts/test/asset_proxy/authorizable.ts
@@ -1,6 +1,5 @@
 import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import * as chai from 'chai';
-import 'make-promises-safe';
 
 import { MixinAuthorizableContract } from '../../src/generated_contract_wrappers/mixin_authorizable';
 import { artifacts } from '../../src/utils/artifacts';
diff --git a/packages/contracts/test/asset_proxy_owner.ts b/packages/contracts/test/asset_proxy_owner.ts
index cbe429b12..aa4999e95 100644
--- a/packages/contracts/test/asset_proxy_owner.ts
+++ b/packages/contracts/test/asset_proxy_owner.ts
@@ -2,7 +2,6 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
-import 'make-promises-safe';
 
 import {
     AssetProxyOwnerContract,
diff --git a/packages/contracts/test/ether_token.ts b/packages/contracts/test/ether_token.ts
index e2fc69aee..01093d309 100644
--- a/packages/contracts/test/ether_token.ts
+++ b/packages/contracts/test/ether_token.ts
@@ -2,7 +2,6 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
-import 'make-promises-safe';
 
 import { WETH9Contract } from '../src/generated_contract_wrappers/weth9';
 import { artifacts } from '../src/utils/artifacts';
diff --git a/packages/contracts/test/exchange/core.ts b/packages/contracts/test/exchange/core.ts
index 89a1c6492..ff652d3aa 100644
--- a/packages/contracts/test/exchange/core.ts
+++ b/packages/contracts/test/exchange/core.ts
@@ -6,7 +6,6 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
 import ethUtil = require('ethereumjs-util');
-import 'make-promises-safe';
 
 import { DummyERC20TokenContract } from '../../src/generated_contract_wrappers/dummy_e_r_c20_token';
 import { DummyERC721TokenContract } from '../../src/generated_contract_wrappers/dummy_e_r_c721_token';
diff --git a/packages/contracts/test/exchange/wrapper.ts b/packages/contracts/test/exchange/wrapper.ts
index abba1ac4f..703f644b8 100644
--- a/packages/contracts/test/exchange/wrapper.ts
+++ b/packages/contracts/test/exchange/wrapper.ts
@@ -5,7 +5,6 @@ import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 
 import { DummyERC20TokenContract } from '../../src/generated_contract_wrappers/dummy_e_r_c20_token';
 import { DummyERC721TokenContract } from '../../src/generated_contract_wrappers/dummy_e_r_c721_token';
diff --git a/packages/contracts/test/multi_sig_with_time_lock.ts b/packages/contracts/test/multi_sig_with_time_lock.ts
index f630743e1..aa82b9edf 100644
--- a/packages/contracts/test/multi_sig_with_time_lock.ts
+++ b/packages/contracts/test/multi_sig_with_time_lock.ts
@@ -2,7 +2,6 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
-import 'make-promises-safe';
 
 import {
     MultiSigWalletWithTimeLockContract,
diff --git a/packages/contracts/test/token_registry.ts b/packages/contracts/test/token_registry.ts
index f368fd73d..095cecfce 100644
--- a/packages/contracts/test/token_registry.ts
+++ b/packages/contracts/test/token_registry.ts
@@ -3,7 +3,6 @@ import { BigNumber, NULL_BYTES } from '@0xproject/utils';
 import * as chai from 'chai';
 import ethUtil = require('ethereumjs-util');
 import * as _ from 'lodash';
-import 'make-promises-safe';
 
 import { TokenRegistryContract } from '../src/generated_contract_wrappers/token_registry';
 import { artifacts } from '../src/utils/artifacts';
diff --git a/packages/contracts/test/tutorials/arbitrage.ts b/packages/contracts/test/tutorials/arbitrage.ts
index 32fcedb43..6851483cc 100644
--- a/packages/contracts/test/tutorials/arbitrage.ts
+++ b/packages/contracts/test/tutorials/arbitrage.ts
@@ -4,7 +4,6 @@
 // import { BigNumber } from '@0xproject/utils';
 // import { Web3Wrapper } from '@0xproject/web3-wrapper';
 // import * as chai from 'chai';
-// import 'make-promises-safe';
 // import ethUtil = require('ethereumjs-util');
 // import * as Web3 from 'web3';
 
diff --git a/packages/contracts/test/unlimited_allowance_token.ts b/packages/contracts/test/unlimited_allowance_token.ts
index 0c3f5094b..7132c57bf 100644
--- a/packages/contracts/test/unlimited_allowance_token.ts
+++ b/packages/contracts/test/unlimited_allowance_token.ts
@@ -1,7 +1,6 @@
 import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
-import 'make-promises-safe';
 
 import { DummyERC20TokenContract } from '../src/generated_contract_wrappers/dummy_e_r_c20_token';
 import { artifacts } from '../src/utils/artifacts';
diff --git a/packages/contracts/test/zrx_token.ts b/packages/contracts/test/zrx_token.ts
index 0629c7a88..01ae57d4a 100644
--- a/packages/contracts/test/zrx_token.ts
+++ b/packages/contracts/test/zrx_token.ts
@@ -2,7 +2,6 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
-import 'make-promises-safe';
 
 import { ZRXTokenContract } from '../src/generated_contract_wrappers/zrx_token';
 import { artifacts } from '../src/utils/artifacts';
diff --git a/packages/dev-utils/package.json b/packages/dev-utils/package.json
index a12d6c161..cb83cedf2 100644
--- a/packages/dev-utils/package.json
+++ b/packages/dev-utils/package.json
@@ -13,7 +13,7 @@
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s clean build test",
         "test:circleci": "yarn test:coverage",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --bail --exit",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "clean": "shx rm -rf lib scripts",
diff --git a/packages/dev-utils/test/blockchain_lifecycle_test.ts b/packages/dev-utils/test/blockchain_lifecycle_test.ts
index 18e245aa3..7d5e15fbe 100644
--- a/packages/dev-utils/test/blockchain_lifecycle_test.ts
+++ b/packages/dev-utils/test/blockchain_lifecycle_test.ts
@@ -1,6 +1,5 @@
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { BlockchainLifecycle, web3Factory } from '../src';
diff --git a/packages/dev-utils/test/rpc_test.ts b/packages/dev-utils/test/rpc_test.ts
index 68842ed3a..dfbc0f7b2 100644
--- a/packages/dev-utils/test/rpc_test.ts
+++ b/packages/dev-utils/test/rpc_test.ts
@@ -1,7 +1,6 @@
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import { BlockParamLiteral } from 'ethereum-types';
-import 'make-promises-safe';
 import 'mocha';
 
 import { web3Factory } from '../src';
diff --git a/packages/json-schemas/package.json b/packages/json-schemas/package.json
index 66ef364d6..f7c9d101b 100644
--- a/packages/json-schemas/package.json
+++ b/packages/json-schemas/package.json
@@ -15,7 +15,7 @@
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "test:circleci": "yarn test:coverage",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --exit",
         "clean": "shx rm -rf lib test_temp scripts",
         "build": "tsc && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
         "manual:postpublish": "yarn build; node ./scripts/postpublish.js",
diff --git a/packages/json-schemas/test/schema_test.ts b/packages/json-schemas/test/schema_test.ts
index 3858c7fa7..d202b5643 100644
--- a/packages/json-schemas/test/schema_test.ts
+++ b/packages/json-schemas/test/schema_test.ts
@@ -2,7 +2,6 @@ import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as dirtyChai from 'dirty-chai';
 import forEach = require('lodash.foreach');
-import 'make-promises-safe';
 import 'mocha';
 
 import { schemas, SchemaValidator } from '../src/index';
diff --git a/packages/metacoin/package.json b/packages/metacoin/package.json
index 6db14334e..61ee8280e 100644
--- a/packages/metacoin/package.json
+++ b/packages/metacoin/package.json
@@ -17,7 +17,7 @@
         "rebuild_and_test": "run-s build test",
         "test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",
         "test:profile": "SOLIDITY_PROFILER=true run-s build run_mocha profiler:report:html",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js lib/test/global_hooks.js --bail --exit --timeout 10000",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js lib/test/global_hooks.js --bail --exit --timeout 10000",
         "generate_contract_wrappers": "abi-gen --abis 'artifacts/Metacoin.json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/contract_wrappers --backend ethers",
         "coverage:report:text": "istanbul report text",
         "coverage:report:html": "istanbul report html && open coverage/index.html",
diff --git a/packages/metacoin/test/metacoin_test.ts b/packages/metacoin/test/metacoin_test.ts
index 78de57a2a..89c2c3b4c 100644
--- a/packages/metacoin/test/metacoin_test.ts
+++ b/packages/metacoin/test/metacoin_test.ts
@@ -3,7 +3,6 @@ import { ContractArtifact } from '@0xproject/sol-compiler';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
-import 'make-promises-safe';
 
 import * as MetacoinArtifact from '../artifacts/Metacoin.json';
 import { MetacoinContract, TransferContractEventArgs } from '../src/contract_wrappers/metacoin';
diff --git a/packages/order-utils/package.json b/packages/order-utils/package.json
index bd18b7855..62026f9e6 100644
--- a/packages/order-utils/package.json
+++ b/packages/order-utils/package.json
@@ -18,7 +18,7 @@
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s build test",
         "test:circleci": "yarn test:coverage",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --bail --exit",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "clean": "shx rm -rf lib scripts lib/src/artifacts src/generated_contract_wrappers",
diff --git a/packages/order-utils/test/assert_test.ts b/packages/order-utils/test/assert_test.ts
index 4b22ef27d..631971787 100644
--- a/packages/order-utils/test/assert_test.ts
+++ b/packages/order-utils/test/assert_test.ts
@@ -1,5 +1,4 @@
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { assert } from '../src/assert';
diff --git a/packages/order-utils/test/exchange_transfer_simulator_test.ts b/packages/order-utils/test/exchange_transfer_simulator_test.ts
index eeae42698..52385f611 100644
--- a/packages/order-utils/test/exchange_transfer_simulator_test.ts
+++ b/packages/order-utils/test/exchange_transfer_simulator_test.ts
@@ -2,7 +2,6 @@ import { BlockchainLifecycle, devConstants } from '@0xproject/dev-utils';
 import { ExchangeContractErrs } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
-import 'make-promises-safe';
 
 import { artifacts } from '../src/artifacts';
 import { constants } from '../src/constants';
diff --git a/packages/order-utils/test/order_hash_test.ts b/packages/order-utils/test/order_hash_test.ts
index 7cf6435c2..cc8bfbf8f 100644
--- a/packages/order-utils/test/order_hash_test.ts
+++ b/packages/order-utils/test/order_hash_test.ts
@@ -1,7 +1,6 @@
 import { Order } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { constants, orderHashUtils } from '../src';
diff --git a/packages/order-utils/test/remaining_fillable_calculator_test.ts b/packages/order-utils/test/remaining_fillable_calculator_test.ts
index c99d10f3f..a5a3b7fc6 100644
--- a/packages/order-utils/test/remaining_fillable_calculator_test.ts
+++ b/packages/order-utils/test/remaining_fillable_calculator_test.ts
@@ -2,7 +2,6 @@ import { SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { RemainingFillableCalculator } from '../src/remaining_fillable_calculator';
diff --git a/packages/order-utils/test/signature_utils_test.ts b/packages/order-utils/test/signature_utils_test.ts
index 74033104a..5714f9671 100644
--- a/packages/order-utils/test/signature_utils_test.ts
+++ b/packages/order-utils/test/signature_utils_test.ts
@@ -2,7 +2,6 @@ import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import { JSONRPCErrorCallback, JSONRPCRequestPayload } from 'ethereum-types';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 import * as Sinon from 'sinon';
 
diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json
index c407d25bd..6cee9da16 100644
--- a/packages/order-watcher/package.json
+++ b/packages/order-watcher/package.json
@@ -25,7 +25,7 @@
         "update_compact_artifacts": "copyfiles -u 2 './src/compact_artifacts/**/*.json' ./lib/src/compact_artifacts",
         "update_test_artifacts": "for i in ${npm_package_config_contracts}; do copyfiles -u 4 ../migrations/artifacts/1.0.0/$i.json test/artifacts; done;",
         "clean": "shx rm -rf _bundles lib test_temp scripts test/artifacts src/generated_contract_wrappers",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js lib/test/global_hooks.js --timeout 10000 --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js lib/test/global_hooks.js --timeout 10000 --bail --exit",
         "manual:postpublish": "yarn build; node ./scripts/postpublish.js"
     },
     "config": {
diff --git a/packages/order-watcher/test/event_watcher_test.ts b/packages/order-watcher/test/event_watcher_test.ts
index 8a43ef8f9..9f4ac053f 100644
--- a/packages/order-watcher/test/event_watcher_test.ts
+++ b/packages/order-watcher/test/event_watcher_test.ts
@@ -3,7 +3,6 @@ import { DoneCallback, LogEntry, LogEntryEvent } from '@0xproject/types';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 import * as Sinon from 'sinon';
 
diff --git a/packages/order-watcher/test/expiration_watcher_test.ts b/packages/order-watcher/test/expiration_watcher_test.ts
index fbea93c06..dfd3556bc 100644
--- a/packages/order-watcher/test/expiration_watcher_test.ts
+++ b/packages/order-watcher/test/expiration_watcher_test.ts
@@ -6,7 +6,6 @@ import { DoneCallback, Token } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 import * as Sinon from 'sinon';
 
diff --git a/packages/order-watcher/test/global_hooks.ts b/packages/order-watcher/test/global_hooks.ts
index f18eef379..9d6903af5 100644
--- a/packages/order-watcher/test/global_hooks.ts
+++ b/packages/order-watcher/test/global_hooks.ts
@@ -1,6 +1,5 @@
 import { devConstants } from '@0xproject/dev-utils';
 import { runV1MigrationsAsync } from '@0xproject/migrations';
-import 'make-promises-safe';
 
 import { provider } from './utils/web3_wrapper';
 
diff --git a/packages/order-watcher/test/order_watcher_test.ts b/packages/order-watcher/test/order_watcher_test.ts
index ef5c7b8e0..f8175e103 100644
--- a/packages/order-watcher/test/order_watcher_test.ts
+++ b/packages/order-watcher/test/order_watcher_test.ts
@@ -16,7 +16,6 @@ import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 
 import { OrderWatcher } from '../src/order_watcher/order_watcher';
diff --git a/packages/sol-compiler/package.json b/packages/sol-compiler/package.json
index deeed8299..98568c270 100644
--- a/packages/sol-compiler/package.json
+++ b/packages/sol-compiler/package.json
@@ -14,7 +14,7 @@
         "update_contract_fixtures": "copyfiles 'test/fixtures/contracts/**/*' ./lib",
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s build test",
-        "run_mocha": "mocha --require source-map-support/register lib/test/*_test.js --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/*_test.js --bail --exit",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "clean": "shx rm -rf lib scripts",
diff --git a/packages/sol-compiler/test/compiler_test.ts b/packages/sol-compiler/test/compiler_test.ts
index 54a117c5a..ce359dceb 100644
--- a/packages/sol-compiler/test/compiler_test.ts
+++ b/packages/sol-compiler/test/compiler_test.ts
@@ -1,6 +1,5 @@
 import { DoneCallback } from '@0xproject/types';
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { Compiler } from '../src/compiler';
diff --git a/packages/sol-compiler/test/compiler_utils_test.ts b/packages/sol-compiler/test/compiler_utils_test.ts
index a6143a719..4fe7b994e 100644
--- a/packages/sol-compiler/test/compiler_utils_test.ts
+++ b/packages/sol-compiler/test/compiler_utils_test.ts
@@ -1,7 +1,6 @@
 import * as chai from 'chai';
 import * as dirtyChai from 'dirty-chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 
 import {
diff --git a/packages/sol-cov/package.json b/packages/sol-cov/package.json
index f489edc97..3d1b7f900 100644
--- a/packages/sol-cov/package.json
+++ b/packages/sol-cov/package.json
@@ -17,7 +17,7 @@
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "test:circleci": "yarn test:coverage",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --exit",
         "clean": "shx rm -rf lib scripts test/fixtures/artifacts src/artifacts",
         "copy_test_fixtures": "copyfiles 'test/fixtures/**/*' ./lib",
         "compile_test": "sol-compiler compile",
diff --git a/packages/sol-cov/test/collect_coverage_entries_test.ts b/packages/sol-cov/test/collect_coverage_entries_test.ts
index 5eedfd55c..f88f3b3c3 100644
--- a/packages/sol-cov/test/collect_coverage_entries_test.ts
+++ b/packages/sol-cov/test/collect_coverage_entries_test.ts
@@ -1,7 +1,6 @@
 import * as chai from 'chai';
 import * as fs from 'fs';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 import * as path from 'path';
 
diff --git a/packages/sol-cov/test/instructions_test.ts b/packages/sol-cov/test/instructions_test.ts
index 02f30a5ca..058053cf9 100644
--- a/packages/sol-cov/test/instructions_test.ts
+++ b/packages/sol-cov/test/instructions_test.ts
@@ -1,5 +1,4 @@
 import * as chai from 'chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { constants } from '../src/constants';
diff --git a/packages/sol-cov/test/sol_compiler_artifact_adapter_test.ts b/packages/sol-cov/test/sol_compiler_artifact_adapter_test.ts
index 0ebad669b..9c58d2cef 100644
--- a/packages/sol-cov/test/sol_compiler_artifact_adapter_test.ts
+++ b/packages/sol-cov/test/sol_compiler_artifact_adapter_test.ts
@@ -1,6 +1,5 @@
 import * as chai from 'chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 import * as path from 'path';
 
diff --git a/packages/sol-cov/test/source_maps_test.ts b/packages/sol-cov/test/source_maps_test.ts
index 071f5a057..5820bedd7 100644
--- a/packages/sol-cov/test/source_maps_test.ts
+++ b/packages/sol-cov/test/source_maps_test.ts
@@ -1,7 +1,6 @@
 import * as chai from 'chai';
 import * as fs from 'fs';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 import * as path from 'path';
 
diff --git a/packages/sol-cov/test/utils_test.ts b/packages/sol-cov/test/utils_test.ts
index 9a0227773..6fc8fcfe1 100644
--- a/packages/sol-cov/test/utils_test.ts
+++ b/packages/sol-cov/test/utils_test.ts
@@ -1,6 +1,5 @@
 import * as chai from 'chai';
 import * as dirtyChai from 'dirty-chai';
-import 'make-promises-safe';
 import 'mocha';
 
 import { utils } from '../src/utils';
diff --git a/packages/sra-report/package.json b/packages/sra-report/package.json
index 379b8cb1e..b3590935f 100644
--- a/packages/sra-report/package.json
+++ b/packages/sra-report/package.json
@@ -16,7 +16,7 @@
         "rebuild_and_test": "run-s clean build test",
         "copy_test_fixtures": "copyfiles -u 2 './test/fixtures/**/*.json' ./lib/test/fixtures",
         "copy_test_environments": "copyfiles -u 2 './test/environments/**/*.json' ./lib/test/environments",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --exit",
         "manual:postpublish": "yarn build; node ./scripts/postpublish.js"
     },
     "bin": {
diff --git a/packages/sra-report/test/postman_collection_v0_test.ts b/packages/sra-report/test/postman_collection_v0_test.ts
index 5a2fc2520..dfb16b10d 100644
--- a/packages/sra-report/test/postman_collection_v0_test.ts
+++ b/packages/sra-report/test/postman_collection_v0_test.ts
@@ -1,4 +1,3 @@
-import 'make-promises-safe';
 import 'mocha';
 import * as nock from 'nock';
 
diff --git a/packages/sra-report/test/test_runner.ts b/packages/sra-report/test/test_runner.ts
index 210eb7932..8094018f2 100644
--- a/packages/sra-report/test/test_runner.ts
+++ b/packages/sra-report/test/test_runner.ts
@@ -2,7 +2,6 @@ import * as chai from 'chai';
 import * as chaiAsPromised from 'chai-as-promised';
 import * as dirtyChai from 'dirty-chai';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import 'mocha';
 import {
     NewmanRunExecution,
diff --git a/packages/subproviders/package.json b/packages/subproviders/package.json
index 2f3ffe22e..a04546bc1 100644
--- a/packages/subproviders/package.json
+++ b/packages/subproviders/package.json
@@ -12,8 +12,8 @@
         "build": "tsc && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
         "clean": "shx rm -rf lib scripts",
         "lint": "tslint --project .",
-        "run_mocha_unit": "mocha --require source-map-support/register lib/test/unit/**/*_test.js --timeout 10000 --bail --exit",
-        "run_mocha_integration": "mocha --require source-map-support/register lib/test/integration/**/*_test.js --timeout 10000 --bail --exit",
+        "run_mocha_unit": "mocha --require source-map-support/register --require make-promises-safe lib/test/unit/**/*_test.js --timeout 10000 --bail --exit",
+        "run_mocha_integration": "mocha --require source-map-support/register --require make-promises-safe lib/test/integration/**/*_test.js --timeout 10000 --bail --exit",
         "test": "npm run test:unit",
         "test:unit:coverage": "nyc npm run test:unit --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
diff --git a/packages/subproviders/test/integration/ledger_subprovider_test.ts b/packages/subproviders/test/integration/ledger_subprovider_test.ts
index 92d6614d3..196cecf32 100644
--- a/packages/subproviders/test/integration/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/integration/ledger_subprovider_test.ts
@@ -7,7 +7,6 @@ import TransportNodeHid from '@ledgerhq/hw-transport-node-hid';
 import * as chai from 'chai';
 import { JSONRPCResponsePayload } from 'ethereum-types';
 import * as ethUtils from 'ethereumjs-util';
-import 'make-promises-safe';
 import Web3ProviderEngine = require('web3-provider-engine');
 import RpcSubprovider = require('web3-provider-engine/subproviders/rpc');
 
diff --git a/packages/subproviders/test/unit/ledger_subprovider_test.ts b/packages/subproviders/test/unit/ledger_subprovider_test.ts
index bd1dad1f9..3b57e125b 100644
--- a/packages/subproviders/test/unit/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/unit/ledger_subprovider_test.ts
@@ -2,7 +2,6 @@ import * as chai from 'chai';
 import { JSONRPCResponsePayload } from 'ethereum-types';
 import * as ethUtils from 'ethereumjs-util';
 import * as _ from 'lodash';
-import 'make-promises-safe';
 import Web3ProviderEngine = require('web3-provider-engine');
 
 import { LedgerSubprovider } from '../../src';
diff --git a/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts b/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts
index 331e52ea1..51ba7094c 100644
--- a/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts
+++ b/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts
@@ -1,7 +1,6 @@
 import * as chai from 'chai';
 import { JSONRPCResponsePayload } from 'ethereum-types';
 import * as ethUtils from 'ethereumjs-util';
-import 'make-promises-safe';
 import Web3ProviderEngine = require('web3-provider-engine');
 
 import { GanacheSubprovider, MnemonicWalletSubprovider } from '../../src/';
diff --git a/packages/subproviders/test/unit/nonce_tracker_subprovider_test.ts b/packages/subproviders/test/unit/nonce_tracker_subprovider_test.ts
index d799bce9e..fa33cd50a 100644
--- a/packages/subproviders/test/unit/nonce_tracker_subprovider_test.ts
+++ b/packages/subproviders/test/unit/nonce_tracker_subprovider_test.ts
@@ -1,5 +1,4 @@
 import * as chai from 'chai';
-import 'make-promises-safe';
 import Web3ProviderEngine = require('web3-provider-engine');
 import FixtureSubprovider = require('web3-provider-engine/subproviders/fixture');
 
diff --git a/packages/subproviders/test/unit/private_key_wallet_subprovider_test.ts b/packages/subproviders/test/unit/private_key_wallet_subprovider_test.ts
index 34295c25e..a41ad7790 100644
--- a/packages/subproviders/test/unit/private_key_wallet_subprovider_test.ts
+++ b/packages/subproviders/test/unit/private_key_wallet_subprovider_test.ts
@@ -1,7 +1,6 @@
 import * as chai from 'chai';
 import { JSONRPCResponsePayload } from 'ethereum-types';
 import * as ethUtils from 'ethereumjs-util';
-import 'make-promises-safe';
 import Web3ProviderEngine = require('web3-provider-engine');
 
 import { GanacheSubprovider, PrivateKeyWalletSubprovider } from '../../src/';
diff --git a/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts b/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts
index b8b72259d..593027849 100644
--- a/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts
+++ b/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts
@@ -1,7 +1,6 @@
 import { DoneCallback } from '@0xproject/types';
 import * as chai from 'chai';
 import { JSONRPCResponsePayload } from 'ethereum-types';
-import 'make-promises-safe';
 import Web3ProviderEngine = require('web3-provider-engine');
 import RpcSubprovider = require('web3-provider-engine/subproviders/rpc');
 
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index 3c5b2c616..5f7f2cb00 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -15,7 +15,7 @@
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s clean build test",
         "test:circleci": "yarn test:coverage",
-        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --bail --exit",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "manual:postpublish": "yarn build; node ./scripts/postpublish.js",
diff --git a/packages/web3-wrapper/test/web3_wrapper_test.ts b/packages/web3-wrapper/test/web3_wrapper_test.ts
index 326efe654..2bf3badaa 100644
--- a/packages/web3-wrapper/test/web3_wrapper_test.ts
+++ b/packages/web3-wrapper/test/web3_wrapper_test.ts
@@ -1,6 +1,5 @@
 import * as chai from 'chai';
 import * as Ganache from 'ganache-core';
-import 'make-promises-safe';
 import 'mocha';
 
 import { Web3Wrapper } from '../src';