@Test
    void testNegativeOffsetValue() {
        assertQueryError(
                "?query=test&offset=-1",
                "Could not set 'offset' to '-1': 'offset' must be a positive number, not -1");
    }
Test that GET parameter names are case in-sensitive
container-search/src/test/java/com/yahoo/prelude/test/QueryTestCase.java