Update follow-back.test.js

Update follow-back.test.js with fixing unfollow methods tests

resolves #100

test/follow-back.test.js

@@ -136,7 +136,11 @@ describe('Follow Back Module', () => {
       await followBack(user, token).unfollowNotFollowingBack(
         'diff-ymd-package',
       );
-      expect(axios.delete).toHaveBeenCalledTimes(0); // Assuming one user unfollowed
+      expect(axios.delete).not.toHaveBeenCalled(); // Axios delete should not be called
+      expect(axios.delete).toHaveBeenCalledTimes(0); // Assuming no user unfollowed
+      //expect(console.log).toHaveBeenCalledWith('Unfollowed: diff-ymd-package');
+      expect(console.log).toHaveBeenCalledWith('Sorry, diff-ymd-package is not in not-following-back users');
+
     });
   });
 
@@ -146,7 +150,9 @@ describe('Follow Back Module', () => {
       axios.delete.mockResolvedValueOnce({ status: 204 }); // Mock the successful deletion
 
       await followBack(user, token).unfollowAllNotFollowingBack();
+      expect(axios.delete).not.toHaveBeenCalled(); // Axios delete should not be called
       expect(axios.delete).toHaveBeenCalledTimes(0); // Assuming there are one user to unfollow
+      expect(console.log).toHaveBeenCalledWith('Finished not following back users!');
     });
   });
 });