[TestInitialize]
    public void SetupTest()
    {
        CreateKeyvalut();
    }

    public async void CreateKeyvalut()
    {
        try
        {
            IKeyVaultClient keyVaultClient = GetKeyVaultClient(_clientId, _certificateThumbprint);

            var password = await GetSecretValueAsync(_secretIdentifier, keyVaultClient);
        }
        catch (Exception ex)
        {
            string errorMessage = $"[KeyVault] Error occurred when trying to connect Key Vault. Exception: {ex}";
            Trace.TraceWarning(errorMessage);

            throw;
        }
    }
    public static IKeyVaultClient GetKeyVaultClient(string clientId, string certificateThumbprint) {
        return new KeyVaultClient(AuthenticationCallback(clientId, certificateThumbprint));
    }

    public static KeyVaultClient.AuthenticationCallback AuthenticationCallback(string clientId, string certificateThumbprint)
    {
        return async (authority, resource, scope) =>
        {
            X509Certificate2 certificate = GetCertificate(certificateThumbprint);
            var context = new AuthenticationContext(authority);
            var clientCredentials = new ClientAssertionCertificate(clientId, certificate);
            AuthenticationResult result = await context.AcquireTokenAsync(resource, clientCredentials).ConfigureAwait(false);
            return result.AccessToken;
        };
    }

    public static async Task<string> GetSecretValueAsync(string secretIdentifier, IKeyVaultClient keyVaultClient)
    {
        var secretTask = await keyVaultClient.GetSecretAsync(secretIdentifier);
        return secretTask.Value;
    }