public void Has_all_provider_configuration_keys()
 {
     Assert.Equal(new[]
     {
         ConfigurationKey.BootstrapServers,
         ConfigurationKey.BrokerVersionFallback,
         ConfigurationKey.ApiVersionFallbackMs,
         ConfigurationKey.SslCaLocation,
         ConfigurationKey.SaslUsername,
         ConfigurationKey.SaslPassword,
         ConfigurationKey.SaslMechanisms,
         ConfigurationKey.SecurityProtocol,
     }, ConfigurationKey.GetAllProducerKeys());
 }