public async Task GetAccessTokenAsync_WithValidTokenRequest_ReturnsAccessToken()
{
// Given: We fetch create a token request
string authCode = "abcde"; // Set a valid access token here
ConnectClient connectClient = new ConnectClient(this.ClientId, this.ClientSecret);
TokenRequest tokenRequest = new TokenRequest(authCode, DefaultRedirectUrl);
// When: We request the auth code
TokenResponse tokenResponse = await connectClient.GetAccessTokenAsync(tokenRequest);
// Then: The access token should not be null
Assert.IsFalse(string.IsNullOrEmpty(tokenResponse.AccessToken));
}