public void TestCreateChildrenShouldCreateNullLeafIfColumnHasNulls()
        {
            var column  = new ColumnBuilder().WithNulls().Build();
            var node    = new BooleanFilterTreeRoot("Test", column);
            var results = node.CreateChildren().ToList();

            Assert.That(results[0].Name, Is.EqualTo("Null"));
        }
        public void TestCreateChildrenShouldCreateFalseLeaf()
        {
            var results = _node.CreateChildren().ToList();

            Assert.That(results[0].Name, Is.EqualTo("False"));
        }