if !bytes.Contains(outputBuffer.Bytes(), []byte(exp)) {
			t.Errorf("Expected %s, but it was not found", exp)
		}
	}
}

// TestComparatorMismatchedConfigs tests the scenario where Istiod and Envoy configurations do not match
func TestComparatorMismatchedConfigs(t *testing.T) {
	cfg, err := os.ReadFile("testdata/configdump.json")
	if err != nil {
		t.Fatalf("Failed to read test data: %v", err)
	}