diff --git a/test/response.util.ts b/test/response.util.ts
index 760e352..2804b66 100644
--- a/test/response.util.ts
+++ b/test/response.util.ts
@@ -10,7 +10,7 @@ export function successResponseList(successMsg: string | null = 'OK') {
   };
 }
 
-export function successResponseListV3(successMsg: string | null = 'OK') {
+export function successResponseListV3() {
   return {
     result: {
       list: expect.any(Array),
diff --git a/test/usdc/options/private.read.test.ts b/test/usdc/options/private.read.test.ts
index 1535304..04f446e 100644
--- a/test/usdc/options/private.read.test.ts
+++ b/test/usdc/options/private.read.test.ts
@@ -1,8 +1,5 @@
 import { USDCOptionClient } from '../../../src';
-import {
-  successResponseObject,
-  successUSDCResponseObject,
-} from '../../response.util';
+import { successResponseObjectV3 } from '../../response.util';
 
 describe('Private Account Asset REST API Endpoints', () => {
   const useLivenet = true;
@@ -20,63 +17,61 @@ describe('Private Account Asset REST API Endpoints', () => {
 
   it('getActiveRealtimeOrders()', async () => {
     expect(await api.getActiveRealtimeOrders()).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getActiveOrders()', async () => {
     expect(await api.getActiveOrders({ category })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getHistoricOrders()', async () => {
     expect(await api.getHistoricOrders({ category })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getOrderExecutionHistory()', async () => {
     expect(await api.getOrderExecutionHistory({ category })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getTransactionLog()', async () => {
     expect(await api.getTransactionLog({ type: 'TRADE' })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getBalances()', async () => {
-    expect(await api.getBalances()).toMatchObject(successUSDCResponseObject());
+    expect(await api.getBalances()).toMatchObject(successResponseObjectV3());
   });
 
   it('getAssetInfo()', async () => {
-    expect(await api.getAssetInfo()).toMatchObject(successUSDCResponseObject());
+    expect(await api.getAssetInfo()).toMatchObject(successResponseObjectV3());
   });
 
   it('getMarginMode()', async () => {
-    expect(await api.getMarginMode()).toMatchObject(
-      successUSDCResponseObject()
-    );
+    expect(await api.getMarginMode()).toMatchObject(successResponseObjectV3());
   });
 
   it('getPositions()', async () => {
     expect(await api.getPositions({ category })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getDeliveryHistory()', async () => {
     expect(await api.getDeliveryHistory({ symbol })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getPositionsInfoUponExpiry()', async () => {
     expect(await api.getPositionsInfoUponExpiry()).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 });
diff --git a/test/usdc/options/private.write.test.ts b/test/usdc/options/private.write.test.ts
index 2949d0e..7a6f9c8 100644
--- a/test/usdc/options/private.write.test.ts
+++ b/test/usdc/options/private.write.test.ts
@@ -1,5 +1,5 @@
 import { API_ERROR_CODE, USDCOptionClient } from '../../../src';
-import { successUSDCResponseObject } from '../../response.util';
+import { successResponseObjectV3 } from '../../response.util';
 
 describe('Private Account Asset REST API Endpoints', () => {
   const useLivenet = true;
@@ -132,7 +132,7 @@ describe('Private Account Asset REST API Endpoints', () => {
 
   it('setMarginMode()', async () => {
     expect(await api.setMarginMode('REGULAR_MARGIN')).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
diff --git a/test/usdc/options/public.read.test.ts b/test/usdc/options/public.read.test.ts
index 97ff6bd..891082c 100644
--- a/test/usdc/options/public.read.test.ts
+++ b/test/usdc/options/public.read.test.ts
@@ -1,7 +1,7 @@
 import { USDCOptionClient } from '../../../src';
 import {
   successResponseObject,
-  successUSDCResponseObject,
+  successResponseObjectV3,
 } from '../../response.util';
 
 describe('Public USDC Options REST API Endpoints', () => {
@@ -14,37 +14,37 @@ describe('Public USDC Options REST API Endpoints', () => {
 
   it('getOrderBook()', async () => {
     expect(await api.getOrderBook(symbol)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getContractInfo()', async () => {
     expect(await api.getContractInfo()).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getSymbolTicker()', async () => {
     expect(await api.getSymbolTicker(symbol)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getDeliveryPrice()', async () => {
     expect(await api.getDeliveryPrice()).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getLast500Trades()', async () => {
     expect(await api.getLast500Trades({ category: 'OPTION' })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getHistoricalVolatility()', async () => {
     expect(await api.getHistoricalVolatility()).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
diff --git a/test/usdc/perpetual/private.read.test.ts b/test/usdc/perpetual/private.read.test.ts
index 23e5121..ae86d70 100644
--- a/test/usdc/perpetual/private.read.test.ts
+++ b/test/usdc/perpetual/private.read.test.ts
@@ -1,5 +1,5 @@
 import { USDCPerpetualClient } from '../../../src';
-import { successUSDCResponseObject } from '../../response.util';
+import { successResponseObjectV3 } from '../../response.util';
 
 describe('Private Account Asset REST API Endpoints', () => {
   const useLivenet = true;
@@ -18,57 +18,55 @@ describe('Private Account Asset REST API Endpoints', () => {
 
   it('getActiveOrders()', async () => {
     expect(await api.getActiveOrders({ category })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getHistoricOrders()', async () => {
     expect(await api.getHistoricOrders({ category })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getOrderExecutionHistory()', async () => {
     expect(await api.getOrderExecutionHistory({ category })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getTransactionLog()', async () => {
     expect(await api.getTransactionLog({ type: 'TRADE' })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getBalances()', async () => {
-    expect(await api.getBalances()).toMatchObject(successUSDCResponseObject());
+    expect(await api.getBalances()).toMatchObject(successResponseObjectV3());
   });
 
   it('getAssetInfo()', async () => {
-    expect(await api.getAssetInfo()).toMatchObject(successUSDCResponseObject());
+    expect(await api.getAssetInfo()).toMatchObject(successResponseObjectV3());
   });
 
   it('getMarginMode()', async () => {
-    expect(await api.getMarginMode()).toMatchObject(
-      successUSDCResponseObject()
-    );
+    expect(await api.getMarginMode()).toMatchObject(successResponseObjectV3());
   });
 
   it('getPositions()', async () => {
     expect(await api.getPositions({ category })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getSettlementHistory()', async () => {
     expect(await api.getSettlementHistory({ symbol })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getPredictedFundingRate()', async () => {
     expect(await api.getPredictedFundingRate(symbol)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 });
diff --git a/test/usdc/perpetual/private.write.test.ts b/test/usdc/perpetual/private.write.test.ts
index ced7af4..97637a0 100644
--- a/test/usdc/perpetual/private.write.test.ts
+++ b/test/usdc/perpetual/private.write.test.ts
@@ -1,7 +1,7 @@
 import { API_ERROR_CODE, USDCPerpetualClient } from '../../../src';
 import {
-  successUSDCEmptyResponseObject,
-  successUSDCResponseObject,
+  successEmptyResponseObjectV3,
+  successResponseObjectV3,
 } from '../../response.util';
 
 describe('Private Account Asset REST API Endpoints', () => {
@@ -62,13 +62,13 @@ describe('Private Account Asset REST API Endpoints', () => {
 
   it('cancelActiveOrders()', async () => {
     expect(await api.cancelActiveOrders(symbol, 'Order')).toMatchObject(
-      successUSDCEmptyResponseObject()
+      successEmptyResponseObjectV3()
     );
   });
 
   it('setMarginMode()', async () => {
     expect(await api.setMarginMode('REGULAR_MARGIN')).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
diff --git a/test/usdc/perpetual/public.read.test.ts b/test/usdc/perpetual/public.read.test.ts
index 60ce93e..68a902a 100644
--- a/test/usdc/perpetual/public.read.test.ts
+++ b/test/usdc/perpetual/public.read.test.ts
@@ -1,7 +1,7 @@
 import { USDCKlineRequest, USDCPerpetualClient } from '../../../src';
 import {
   successResponseObject,
-  successUSDCResponseObject,
+  successResponseObjectV3,
 } from '../../response.util';
 
 describe('Public USDC Options REST API Endpoints', () => {
@@ -19,73 +19,73 @@ describe('Public USDC Options REST API Endpoints', () => {
 
   it('getOrderBook()', async () => {
     expect(await api.getOrderBook(symbol)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getContractInfo()', async () => {
     expect(await api.getContractInfo()).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getSymbolTicker()', async () => {
     expect(await api.getSymbolTicker(symbol)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getCandles()', async () => {
     expect(await api.getCandles(candleRequest)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getMarkPrice()', async () => {
     expect(await api.getMarkPrice(candleRequest)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getIndexPrice()', async () => {
     expect(await api.getIndexPrice(candleRequest)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getIndexPremium()', async () => {
     expect(await api.getIndexPremium(candleRequest)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getOpenInterest()', async () => {
     expect(await api.getOpenInterest({ symbol, period: '1m' })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getLargeOrders()', async () => {
     expect(await api.getLargeOrders({ symbol })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getLongShortRatio()', async () => {
     expect(await api.getLongShortRatio({ symbol, period: '1m' })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getLast500Trades()', async () => {
     expect(await api.getLast500Trades({ category })).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });
 
   it('getLastFundingRate()', async () => {
     expect(await api.getLastFundingRate(symbol)).toMatchObject(
-      successUSDCResponseObject()
+      successResponseObjectV3()
     );
   });