diff --git a/tests/index.test.ts b/tests/index.test.ts
index 053f347..e1caf92 100644
--- a/tests/index.test.ts
+++ b/tests/index.test.ts
@@ -37,7 +37,7 @@ describe('randomBunny', () => {
         expect(result.Result).toBeDefined();
         expect(result.Error).toBeUndefined();
 
-        expect(fetchMock).toBeCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
+        expect(fetchMock).toHaveBeenCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
     });
 
     test('GIVEN sortBy is NOT supplied, expect it to default to hot', async () => {
@@ -69,7 +69,7 @@ describe('randomBunny', () => {
         expect(result.Result).toBeDefined();
         expect(result.Error).toBeUndefined();
 
-        expect(fetchMock).toBeCalledWith('https://reddit.com/r/rabbits/hot.json?limit=100');
+        expect(fetchMock).toHaveBeenCalledWith('https://reddit.com/r/rabbits/hot.json?limit=100');
     });
 
     test('GIVEN sortBy is NOT valid, expect it to default to hot', async () => {
@@ -101,7 +101,7 @@ describe('randomBunny', () => {
         expect(result.Result).toBeDefined();
         expect(result.Error).toBeUndefined();
 
-        expect(fetchMock).toBeCalledWith('https://reddit.com/r/rabbits/hot.json?limit=100');
+        expect(fetchMock).toHaveBeenCalledWith('https://reddit.com/r/rabbits/hot.json?limit=100');
     });
 
     test('GIVEN the fetch fails, EXPECT failure result', async () => {
@@ -116,7 +116,7 @@ describe('randomBunny', () => {
         expect(result.Error!.Code).toBe(ErrorCode.FailedToFetchReddit);
         expect(result.Error!.Message).toBe(ErrorMessages.FailedToFetchReddit);
 
-        expect(fetchMock).toBeCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
+        expect(fetchMock).toHaveBeenCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
     });
 
     test('GIVEN the result is NOT valid JSON, EXPECT failure result', async () => {
@@ -133,7 +133,7 @@ describe('randomBunny', () => {
         expect(result.Error!.Code).toBe(ErrorCode.UnableToParseJSON);
         expect(result.Error!.Message).toBe(ErrorMessages.UnableToParseJSON);
 
-        expect(fetchMock).toBeCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
+        expect(fetchMock).toHaveBeenCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
     });
 
     test('GIVEN randomSelect does NOT find a response, EXPECT failure result', async () => {
@@ -189,8 +189,8 @@ describe('randomBunny', () => {
         expect(result.Error!.Code).toBe(ErrorCode.NoImageResultsFound);
         expect(result.Error!.Message).toBe(ErrorMessages.NoImageResultsFound);
 
-        expect(fetchMock).toBeCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
-        expect(fetchMock).toBeCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
+        expect(fetchMock).toHaveBeenCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
+        expect(fetchMock).toHaveBeenCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
     });
 
     test("GIVEN data fetched is a gallery AND an image is returned from the helper, EXPECT this to be used", async () => {
@@ -223,7 +223,7 @@ describe('randomBunny', () => {
         expect(result.IsSuccess).toBeTruthy();
         expect(result.Result).toBeDefined();
 
-        expect(fetchMock).toBeCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
+        expect(fetchMock).toHaveBeenCalledWith('https://reddit.com/r/rabbits/new.json?limit=100');
 
         expect(ImageHelper.FetchImageFromRedditGallery).toHaveBeenCalledTimes(1);
         expect(ImageHelper.FetchImageFromRedditGallery).toHaveBeenCalledWith("https://i.redd.it/gallery/cr8xudsnkgua1");