t.Fatal(err)
	}

	if err = file.AtomicWrite(cniConfigFilepath, cniConfig, os.FileMode(0o644)); err != nil {
		t.Fatal(err)
	}
}

// populateTempDirs populates temporary test directories with golden files and
// other related configuration.
func populateTempDirs(wd string, cniDirOrderedFiles []string, tempCNIConfDir, tempK8sSvcAcctDir string, t *testing.T) {
	t.Helper()
	t.Logf("Pre-populating working dirs")

			}
			generatedRules := getRules(generated)

			refreshGoldens(t, tt.golden, generatedRules)

			// Compare generated iptables rule with golden files.
			golden, err := os.ReadFile(tt.golden)
			if err != nil {
				log.Fatalf("Cannot read golden rule file: %v", err)
			}
			goldenRules := getRules(golden)

			if len(generatedRules) == 0 {
				t.Error("Got empty generated rules")
			}

	_, _ = fmt.Fprintf(w.writer, format, a...)
}

func (w *writerPrinter) Println(str string) {
	_, _ = fmt.Fprintln(w.writer, str)
}

func refreshGoldenFiles() bool {
	ev := os.Getenv("REFRESH_GOLDEN")
	return ev == "true" || ev == "1"
}

func kubeBuilderInstalled() bool {
	ev := os.Getenv("KUBEBUILDER")
	return ev == "true" || ev == "1"
}

// Confirm waits for a user to confirm with the supplied message.

	liveCharts = chartSourceType(filepath.Join(env.IstioSrc, operatorSubdirFilePath))
)

type testGroup []struct {
	desc string
	// Small changes to the input profile produce large changes to the golden output
	// files. This makes it difficult to spot meaningful changes in pull requests.
	// By default we hide these changes to make developers life's a bit easier. However,