// Create temp folder for the test case
		tmpdir := testutil.SetupTempDir(t)
		defer os.RemoveAll(tmpdir)

		// executes setup func (if necessary)
		if test.setupFunc != nil {
			if err := test.setupFunc(tmpdir); err != nil {
				t.Errorf("error executing setupFunc: %v", err)
				continue
			}
		}

		// executes create func
		err := writeCertificateAuthorityFilesIfNotExist(tmpdir, "dummy", caCert, caKey)

	tests := []struct {
		description         string
		fsGroupChangePolicy *v1.PodFSGroupChangePolicy
		setupFunc           func(path string) error
		assertFunc          func(path string) error
	}{
		{
			description:         "featuregate=on, fsgroupchangepolicy=always",
			fsGroupChangePolicy: &always,
			setupFunc: func(path string) error {
				info, err := os.Lstat(path)
				if err != nil {
					return err
				}