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

3 files changed, 1 insertions, 3 deletions

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';