@Test
void shouldBeginTransactionWithConfig()
{

    Connection connection = connectionMock( protocol );
    CompletionStage<Void> stage = protocol.beginTransaction( connection, InternalBookmark.empty(), txConfig );
    verify( connection ).write( new BeginMessage( InternalBookmark.empty(), txConfig, defaultDatabase(), WRITE ), NoOpResponseHandler.INSTANCE );
    assertNull( await( stage ) );
}