Only send in amountAvailableToFill if it's a non-zero amount, add additional tests and nest, and put error into its own file

1 files changed, 7 insertions, 3 deletions

diff --git a/packages/asset-buyer/test/utils/test_helpers.ts b/packages/asset-buyer/test/utils/test_helpers.ts
index b99906792..d746316f8 100644
--- a/packages/asset-buyer/test/utils/test_helpers.ts
+++ b/packages/asset-buyer/test/utils/test_helpers.ts
@@ -1,12 +1,12 @@
 import { BigNumber } from '@0x/utils';
 
-import { InsufficientAssetLiquidityError } from '../../src/types';
+import { InsufficientAssetLiquidityError } from '../../src/errors';
 
 export const testHelpers = {
     expectInsufficientLiquidityError: (
         expect: Chai.ExpectStatic,
         functionWhichTriggersError: () => void,
-        expectedAmountAvailableToFill: BigNumber,
+        expectedAmountAvailableToFill?: BigNumber,
     ): void => {
         let errorThrown = false;
         try {
@@ -14,7 +14,11 @@ export const testHelpers = {
         } catch (e) {
             errorThrown = true;
             expect(e).to.be.instanceOf(InsufficientAssetLiquidityError);
-            expect(e.amountAvailableToFill).to.be.bignumber.equal(expectedAmountAvailableToFill);
+            if (expectedAmountAvailableToFill) {
+                expect(e.amountAvailableToFill).to.be.bignumber.equal(expectedAmountAvailableToFill);
+            } else {
+                expect(e.amountAvailableToFill).to.be.undefined();
+            }
         }
 
         expect(errorThrown).to.be.true();