protected static void AssertIsTermFilter(FilterContainer filter1, FilterContainer filter2)
{
filter1.Should().NotBeNull();
filter2.Should().NotBeNull();
IFilterContainer f1 = filter1;
IFilterContainer f2 = filter2;
f1.Should().NotBeNull();
f2.Should().NotBeNull();
f1.Term.Should().NotBeNull();
f2.Term.Should().NotBeNull();
f1.Term.Field.Should().Be(f2.Term.Field);
f1.Term.Value.Should().Be(f2.Term.Value);
}