public void SearchQueryFact001()
        {
            // Arrange
            var solrOptions       = new SolrExpressOptions();
            var solrConnection    = new FakeSolrConnection <TechProductDocument>();
            var expressionBuilder = new ExpressionBuilder <TechProductDocument>(solrOptions, solrConnection);

            expressionBuilder.LoadDocument();
            var searchQuery = new SearchQuery <TechProductDocument>(expressionBuilder);

            // Act
            var result = searchQuery.All(10, 20, 30).Execute();

            // Assert
            Assert.Equal("(10 AND 20 AND 30)", result);
        }