@Test
    void requireThatBothSingleAndDoubleQuotesWork() {
        assertParsesTo("a in [b]", "'a' in ['b']");
        assertParsesTo("a in [b]", "\"a\" in [\"b\"]");
        assertParsesTo("'a\\x27' in [b]", "'a\\'' in ['b']");
        assertParsesTo("'a\"' in [b]", "\"a\\\"\" in [\"b\"]");
    }
@author <a href="mailto:magnarn@yahoo-inc.com">Magnar Nedland</a>
predicate-search-core/src/test/java/com/yahoo/document/predicate/PredicateParserTest.java