6 files changed, 7 insertions, 1 deletions
diff --git a/packages/sol-cov/package.json b/packages/sol-cov/package.json
index dc6ea42cd..28ceae0fa 100644
--- a/packages/sol-cov/package.json
+++ b/packages/sol-cov/package.json
@@ -2,7 +2,7 @@
     "name": "@0xproject/sol-cov",
     "version": "0.0.10",
     "engines": {
-        "node" : ">=6.12"
+        "node": ">=6.12"
     },
     "description": "Generate coverage reports for Solidity code",
     "main": "lib/src/index.js",
@@ -68,6 +68,7 @@
         "chai": "^4.0.1",
         "copyfiles": "^1.2.0",
         "dirty-chai": "^2.0.1",
+        "make-promises-safe": "^1.1.0",
         "mocha": "^4.0.1",
         "npm-run-all": "^4.1.2",
         "nyc": "^11.0.1",
diff --git a/packages/sol-cov/test/collect_contracts_data_test.ts b/packages/sol-cov/test/collect_contracts_data_test.ts
index c7c1dfe32..d84ac5a39 100644
--- a/packages/sol-cov/test/collect_contracts_data_test.ts
+++ b/packages/sol-cov/test/collect_contracts_data_test.ts
@@ -1,5 +1,6 @@
 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/collect_coverage_entries_test.ts b/packages/sol-cov/test/collect_coverage_entries_test.ts
index c7b9d44b1..82012edfa 100644
--- a/packages/sol-cov/test/collect_coverage_entries_test.ts
+++ b/packages/sol-cov/test/collect_coverage_entries_test.ts
@@ -1,6 +1,7 @@
 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 195dfce2f..f66612f5f 100644
--- a/packages/sol-cov/test/instructions_test.ts
+++ b/packages/sol-cov/test/instructions_test.ts
@@ -1,5 +1,6 @@
 import * as chai from 'chai';
 import * as fs from 'fs';
+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 5820bedd7..071f5a057 100644
--- a/packages/sol-cov/test/source_maps_test.ts
+++ b/packages/sol-cov/test/source_maps_test.ts
@@ -1,6 +1,7 @@
 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 6fc8fcfe1..9a0227773 100644
--- a/packages/sol-cov/test/utils_test.ts
+++ b/packages/sol-cov/test/utils_test.ts
@@ -1,5 +1,6 @@
 import * as chai from 'chai';
 import * as dirtyChai from 'dirty-chai';
+import 'make-promises-safe';
 import 'mocha';
 
 import { utils } from '../src/utils';