return false
	}
	return true
}

// If there is an existing private key and certificate under a well known path, return true.
// Otherwise, return false.
func (sc *SecretManagerClient) keyCertificateExist(certPath, keyPath string) bool {
	b, err := os.ReadFile(certPath)
	if err != nil || len(b) == 0 {
		return false
	}
	b, err = os.ReadFile(keyPath)
	if err != nil || len(b) == 0 {
		return false
	}

			keyPath:      "./testdata/cert-chain.pem",
			expectResult: true,
		},
	}
	sc := createCache(t, nil, func(resourceName string) {}, security.Options{})
	for _, tc := range testCases {
		ret := sc.keyCertificateExist(tc.certPath, tc.keyPath)
		if tc.expectResult != ret {
			t.Errorf("unexpected result is returned!")
		}
	}
}

func setupTestDir(t *testing.T, sc *SecretManagerClient) {
	dir := t.TempDir()