public void AddCloudFoundry_AddsConfigServerProviderToProvidersList()
        {
            // Arrange
            var configurationBuilder = new ConfigurationBuilder();

            // Act and Assert
            configurationBuilder.AddCloudFoundry();

            CloudFoundryConfigurationProvider cloudProvider = null;
            foreach (IConfigurationProvider provider in configurationBuilder.Providers)
            {
                cloudProvider = provider as CloudFoundryConfigurationProvider;
                if (cloudProvider != null)
                    break;
            }
            Assert.NotNull(cloudProvider);

        }