Add includeStack config to chai setup so that we get stackTraces

test/0x.js_test.ts

@@ -10,6 +10,7 @@ import {constants} from './utils/constants';
 import {web3Factory} from './utils/web3_factory';
 import {Order} from '../src/types';
 
+chai.config.includeStack = true;
 chai.use(ChaiBigNumber());
 chai.use(dirtyChai);
 const expect = chai.expect;

test/exchange_wrapper_test.ts

@@ -13,6 +13,7 @@ import {ExchangeContractErrs, SignedOrder, Token} from '../src/types';
 import {FillScenarios} from './utils/fill_scenarios';
 import {TokenUtils} from './utils/token_utils';
 
+chai.config.includeStack = true;
 chai.use(dirtyChai);
 chai.use(ChaiBigNumber());
 const expect = chai.expect;

test/token_registry_wrapper_test.ts

@@ -10,6 +10,7 @@ import {Token} from '../src/types';
 import {SchemaValidator} from '../src/utils/schema_validator';
 import {tokenSchema} from '../src/schemas/token_schema';
 
+chai.config.includeStack = true;
 const expect = chai.expect;
 chai.use(chaiAsPromised);
 const blockchainLifecycle = new BlockchainLifecycle();

test/token_wrapper_test.ts

@@ -8,6 +8,7 @@ import {ZeroEx} from '../src/0x.js';
 import {ZeroExError, Token} from '../src/types';
 import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
 
+chai.config.includeStack = true;
 const expect = chai.expect;
 const blockchainLifecycle = new BlockchainLifecycle();