diff --git a/src/auction.test.ts b/src/auction.test.ts
index 2ef8d08..0ebd869 100644
--- a/src/auction.test.ts
+++ b/src/auction.test.ts
@@ -2,20 +2,18 @@ import Long from 'long';
 
 import { Registry, Account, createBid } from './index';
 import { getConfig } from './testing/helper';
-import { DENOM } from './constants';
+import { DENOM, DURATION } from './constants';
 
 jest.setTimeout(30 * 60 * 1000);
 const { chainId, rpcEndpoint, gqlEndpoint, privateKey, fee } = getConfig();
-let auctionCreatorAccount: { address: string, privateKey: string, bid?: any };
-let bidderAccounts: { address: string, privateKey: string, bid?: any }[] = [];
 
 const commitsDuration = {
-  seconds: Long.fromNumber(60),
+  seconds: Long.fromNumber(DURATION),
   nanos: 0
 };
 
 const revealsDuration = {
-  seconds: Long.fromNumber(60),
+  seconds: Long.fromNumber(DURATION),
   nanos: 0
 };
 
@@ -31,9 +29,13 @@ const revealFee = {
 
 const createAuctionTests = () => {
   let registry: Registry;
-
   let auctionId: string;
 
+  let auctionCreatorAccount: { address: string, privateKey: string, bid?: any };
+  let bidderAccounts: { address: string, privateKey: string, bid?: any }[] = [];
+
+  let bidAmounts: { type: string, quantity: string }[] = [];
+
   beforeAll(async () => {
     console.log('Running vickrey auction tests');
 
@@ -83,13 +85,17 @@ const createAuctionTests = () => {
 
   test('Commit bids.', async () => {
     for (let i = 0; i < 3; i++) {
-      bidderAccounts[i].bid = await createBid(chainId, auctionId, bidderAccounts[i].address, `${10000000 + (i * 500)}${DENOM}`);
+      bidAmounts.push({
+        type: DENOM,
+        quantity: (10000000 + (i * 500)).toString()
+      });
+      bidderAccounts[i].bid = await createBid(chainId, auctionId, bidderAccounts[i].address, `${bidAmounts[i].quantity}${bidAmounts[i].type}`);
       await registry.commitBid({ auctionId, commitHash: bidderAccounts[i].bid.commitHash }, bidderAccounts[i].privateKey, fee);
     }
   });
 
   test('Wait for reveal phase.', (done) => {
-    const commitTime = 60 * 1000;
+    const commitTime = DURATION * 1000;
     const waitTime = commitTime + (6 * 1000);
 
     setTimeout(done, waitTime);
@@ -108,13 +114,12 @@ const createAuctionTests = () => {
     const [auction] = await registry.getAuctionsByIds([auctionId]);
     expect(auction.status).toEqual('reveal');
 
-    auction.bids.forEach((bid: any) => {
-      expect(bid.status).toEqual('reveal');
-    });
+    const actualBidAmounts = auction.bids.map((bid: any) => bid.bidAmount);
+    expect(actualBidAmounts).toEqual(expect.arrayContaining(bidAmounts));
   });
 
   test('Wait for auction completion.', (done) => {
-    const revealTime = 60 * 1000;
+    const revealTime = DURATION * 1000;
     const waitTime = revealTime + (6 * 1000);
 
     setTimeout(done, waitTime);
@@ -140,6 +145,8 @@ const createSPAuctionTests = () => {
   let auctionCreatorAccount: { address: string, privateKey: string, bid?: any };
   let bidderAccounts: { address: string, privateKey: string, bid?: any }[] = [];
 
+  let bidAmounts: { type: string, quantity: string }[] = [];
+
   beforeAll(async () => {
     console.log('Running service provider auction tests');
 
@@ -189,13 +196,17 @@ const createSPAuctionTests = () => {
 
   test('Commit bids.', async () => {
     for (let i = 0; i < 4; i++) {
-      bidderAccounts[i].bid = await createBid(chainId, auctionId, bidderAccounts[i].address, `${100000 + (i * 500)}${DENOM}`);
+      bidAmounts.push({
+        type: DENOM,
+        quantity: (100000 + (i * 500)).toString()
+      });
+      bidderAccounts[i].bid = await createBid(chainId, auctionId, bidderAccounts[i].address, `${bidAmounts[i].quantity}${bidAmounts[i].type}`);
       await registry.commitBid({ auctionId, commitHash: bidderAccounts[i].bid.commitHash }, bidderAccounts[i].privateKey, fee);
     }
   });
 
   test('Wait for reveal phase.', (done) => {
-    const commitTime = 60 * 1000;
+    const commitTime = DURATION * 1000;
     const waitTime = commitTime + (6 * 1000);
 
     setTimeout(done, waitTime);
@@ -214,13 +225,12 @@ const createSPAuctionTests = () => {
     const [auction] = await registry.getAuctionsByIds([auctionId]);
     expect(auction.status).toEqual('reveal');
 
-    auction.bids.forEach((i: number, bid: any) => {
-      expect(bid.status).toEqual('reveal');
-    });
+    const actualBidAmounts = auction.bids.map((bid: any) => bid.bidAmount);
+    expect(actualBidAmounts).toEqual(expect.arrayContaining(bidAmounts));
   });
 
   test('Wait for auction completion.', (done) => {
-    const revealTime = 60 * 1000;
+    const revealTime = DURATION * 1000;
     const waitTime = revealTime + (6 * 1000);
 
     setTimeout(done, waitTime);
diff --git a/src/constants.ts b/src/constants.ts
index a54157d..d82292a 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -1,2 +1,3 @@
 export const DENOM = 'alnt';
+export const DURATION = 60;
 export const DEFAULT_GAS_ESTIMATION_MULTIPLIER = 2;