expectedErr      string
		expectedRootCert []byte
	}{
		"Empty pem cert and root file": {
			pemCert:          []byte{},
			rootFile:         "",
			expectedErr:      "",
			expectedRootCert: []byte{},
		},
		"Non empty root file": {
			pemCert:          []byte{},
			rootFile:         "../testdata/cert.pem",
			expectedErr:      "",
			expectedRootCert: []byte(certPem + "\n"),
		},