public void ImplicitConversionOperatorReturnsCorrectSearchFilterRepresentation()
        {
            // Fixture setup

            // Exercise system
            string filter = SearchFilter.GreaterThanOrEqual("displayName", "John Doe");

            // Verify outcome
            filter.Should().Be("(displayName>=John Doe)");
        }
        public void GreaterThanOrEqualCreatesCorrectSearchFilter()
        {
            // Fixture setup

            // Exercise system
            var filter = SearchFilter.GreaterThanOrEqual("displayName", "John Doe");

            // Verify outcome
            filter.ToString().Should().Be("(displayName>=John Doe)");
        }
        public void ValueReturnsCorrectSearchFilterRepresentation()
        {
            // Fixture setup

            // Exercise system
            var filter = SearchFilter.GreaterThanOrEqual("displayName", "John Doe");

            // Verify outcome
            filter.Value.Should().Be("(displayName>=John Doe)");
        }