t.Fatalf("test %v: error: expected = %v, got = <nil>", i+1, testCase.expectedErr)
			}
			if !cred.IsValid() {
				t.Fatalf("test %v: got invalid credentials", i+1)
			}
		}
	}
}

func TestCredentialsEqual(t *testing.T) {
	cred, err := GetNewCredentials()
	if err != nil {
		t.Fatalf("Failed to get a new credential: %v", err)
	}
	cred2, err := GetNewCredentials()
	if err != nil {