public void TestGetProxyCredentials() { _settings.GetProxyCredentials().Should().BeNull(); _settings.ProxyUsername = "******"; _settings.GetProxyCredentials().Should().NotBeNull(); _settings.ProxyUsername = null; _settings.ProxyPassword = "******"; _settings.GetProxyCredentials().Should().NotBeNull(); _settings.ProxyUsername = "******"; _settings.ProxyPassword = "******"; _settings.GetProxyCredentials().Should().NotBeNull(); }