3 files changed, 4 insertions, 3 deletions
diff --git a/packages/metacoin/test/global_hooks.ts b/packages/metacoin/test/global_hooks.ts
index 4ab2ddc2f..7328531e4 100644
--- a/packages/metacoin/test/global_hooks.ts
+++ b/packages/metacoin/test/global_hooks.ts
@@ -3,7 +3,7 @@ import { env, EnvVars } from '@0xproject/dev-utils';
 import { coverage } from './utils/coverage';
 import { profiler } from './utils/profiler';
 
-after('generate coverage & profiler report', async () => {
+after('generate coverage || profiler report', async () => {
     if (env.parseBoolean(EnvVars.SolidityCoverage)) {
         const coverageSubprovider = coverage.getCoverageSubproviderSingleton();
         await coverageSubprovider.writeCoverageAsync();
diff --git a/packages/metacoin/test/metacoin_test.ts b/packages/metacoin/test/metacoin_test.ts
index 22e63eead..78de57a2a 100644
--- a/packages/metacoin/test/metacoin_test.ts
+++ b/packages/metacoin/test/metacoin_test.ts
@@ -10,6 +10,7 @@ import { MetacoinContract, TransferContractEventArgs } from '../src/contract_wra
 
 import { chaiSetup } from './utils/chai_setup';
 import { config } from './utils/config';
+// Comment out the next line enable profiling
 // import { profiler } from './utils/profiler';
 import { provider, web3Wrapper } from './utils/web3_wrapper';
 
diff --git a/packages/metacoin/test/utils/web3_wrapper.ts b/packages/metacoin/test/utils/web3_wrapper.ts
index c09f8d2df..9bc3d05ac 100644
--- a/packages/metacoin/test/utils/web3_wrapper.ts
+++ b/packages/metacoin/test/utils/web3_wrapper.ts
@@ -1,6 +1,6 @@
 import { env, EnvVars } from '@0xproject/dev-utils';
 import { GanacheSubprovider, prependSubprovider } from '@0xproject/subproviders';
-import { logUtils } from '@0xproject/utils';
+import { logUtils, errorUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as fs from 'fs';
 import ProviderEngine = require('web3-provider-engine');
@@ -27,7 +27,7 @@ switch (process.env.TEST_PROVIDER) {
         testProvider = ProviderType.Geth;
         break;
     default:
-        throw new Error(`Unknown TEST_PROVIDER: ${process.env.TEST_PROVIDER}`);
+        throw errorUtils.spawnSwitchErr('TEST_PROVIDER', process.env.TEST_PROVIDER);
 }
 
 export const provider = new ProviderEngine();