node.alpha.kubernetes.io/ttl="0"
volumes.kubernetes.io/controller-managed-attach-detach="true"`,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if gotFmtStr := FormatMap(tt.args.m); gotFmtStr != tt.wantFmtStr {
				t.Errorf("FormatMap() = %v, want %v", gotFmtStr, tt.wantFmtStr)
			}
		})
	}

}

type verifyMapInFile struct {
	stepName
	expected map[string]string
}

func (step verifyMapInFile) run(test *downwardAPITest) {
	doVerifyLinesInFile(test.t, test.volumePath, step.name, fieldpath.FormatMap(step.expected))
}

type verifyMode struct {
	stepName
	expectedMode int32
}

func (step verifyMode) run(test *downwardAPITest) {
	fileInfo, err := os.Stat(filepath.Join(test.volumePath, step.name))