public void ShouldEnqueueRollbackAndSync()
{
var mockConn = new Mock <IConnection>();
BoltV1.RollbackTransaction(mockConn.Object);
mockConn.Verify(x => x.Enqueue(Rollback, It.IsAny <BookmarkCollector>(), DiscardAll), Times.Once);
mockConn.Verify(x => x.Sync(), Times.Once);
}