@Test
    void testLeadingUnderscoreInFieldNames() {
        tester.assertParsed("AND title:why _under_score_:what _under_score_:>5000",
                "title:why _under_score_:what _under_score_:>5000",
                Query.Type.ALL);
    }
Testing terminators containing control characters in conjunction with those control characters
container-search/src/test/java/com/yahoo/prelude/query/parser/test/ParseTestCase.java