public void ReturnTrueIfNotEqual()
        {
            var e = new SystemEvent { Level = SystemEventLevel.Warning };
            var extendedProperties = new FakeExtendedProperties { { "property", "Level" }, { "value", "Warning" } };
            var filter = new NotEqualFilter(extendedProperties, Enumerable.Empty<ICreateFilterExpressions>());

            Assert.False(Filter.Compile(filter).Invoke(e));
        }
        public void NotCompositeExpression()
        {
            var filter = new NotEqualFilter(new FakeExtendedProperties(), Enumerable.Empty<ICreateFilterExpressions>());

            Assert.False(filter.CompositeExpression);
        }