public CassandraSupplyCollectorTests()
        {
            _instance = new CassandraSupplyCollector.CassandraSupplyCollector();

            _container = new DataContainer()
            {
                ConnectionString = _instance.BuildConnectionString("127.0.0.1", "9042", "test", "", "")
            };
        }
        public CassandraSupplyCollectorTests(LaunchSettingsFixture fixture)
        {
            _fixture  = fixture;
            _instance = new CassandraSupplyCollector.CassandraSupplyCollector();

            _container = new DataContainer()
            {
                ConnectionString = _instance.BuildConnectionString(
                    Environment.GetEnvironmentVariable("CASSANDRA_HOST"),
                    9042,
                    Environment.GetEnvironmentVariable("CASSANDRA_KEYSPACE"),
                    "", ""
                    )
            };
        }