if _, err := os.Stat(caKeyPath); !os.IsNotExist(err) {
		return false, nil
	}

	if err := validateSignedCert(certKeyLocation{cfg.CertificatesDir, kubeadmconstants.CACertAndKeyBaseName, kubeadmconstants.APIServerCertAndKeyBaseName, "API server"}); err != nil {
		return true, err
	}

			expectedSuccess: true,
		},
		{
			name: "validateSignedCert",
			files: certstestutil.PKIFiles{
				"ca.crt":        caCert,
				"ca.key":        caKey,
				"apiserver.crt": cert,
				"apiserver.key": key,
			},
			validateFunc:    validateSignedCert,
			loc:             certKeyLocation{caBaseName: "ca", baseName: "apiserver", uxName: "apiserver"},