Fix tests

2 files changed, 2 insertions, 4 deletions

diff --git a/src/0x.js.ts b/src/0x.js.ts
index 2bf8cad5e..7a5d14aa8 100644
--- a/src/0x.js.ts
+++ b/src/0x.js.ts
@@ -130,8 +130,7 @@ export class ZeroEx {
      * Computes the orderHash for a given order and returns it as a hex encoded string.
      */
     public async getOrderHashHexAsync(order: Order|SignedOrder): Promise<string> {
-        assert.doesConformToSchema('order', SchemaValidator.convertToJSONSchemaCompatibleObject(order as object),
-                                   orderSchema);
+        assert.doesConformToSchema('order', order, orderSchema);
 
         const exchangeContractAddr = await this.getExchangeAddressAsync();
         const orderHashHex = utils.getOrderHashHex(order, exchangeContractAddr);
diff --git a/test/schema_test.ts b/test/schema_test.ts
index d35ed4516..8d786fb73 100644
--- a/test/schema_test.ts
+++ b/test/schema_test.ts
@@ -38,8 +38,7 @@ describe('Schema', () => {
                 '.3': '0.3',
             };
             _.forEach(testCases, (serialized: string, input: string) => {
-                expect(SchemaValidator.convertToJSONSchemaCompatibleObject(new BigNumber(input)))
-                    .to.be.equal(serialized);
+                expect(JSON.parse(JSON.stringify(new BigNumber(input)))).to.be.equal(serialized);
             });
         });
     });