Include only used lodash functions

test/0x.js_test.ts

@@ -1,4 +1,4 @@
-import * as _ from 'lodash';
+import {_} from '../src/utils/lodash';
 import * as chai from 'chai';
 import {chaiSetup} from './utils/chai_setup';
 import 'mocha';

test/token_registry_wrapper_test.ts

@@ -1,4 +1,4 @@
-import * as _ from 'lodash';
+import {_} from '../src/utils/lodash';
 import 'mocha';
 import * as chai from 'chai';
 import {SchemaValidator, schemas} from '0x-json-schemas';

test/utils/order_factory.ts

@@ -1,4 +1,4 @@
-import * as _ from 'lodash';
+import {_} from '../../src/utils/lodash';
 import * as BigNumber from 'bignumber.js';
 import {ZeroEx, SignedOrder} from '../../src';
 

test/utils/token_utils.ts

@@ -1,4 +1,4 @@
-import * as _ from 'lodash';
+import {_} from '../../src/utils/lodash';
 import {Token, InternalZeroExError} from '../../src/types';
 
 const PROTOCOL_TOKEN_SYMBOL = 'ZRX';