@Test
    void testAlphanumericComparison() {
        assertSemantics("a", "a");
        assertSemantics("AND z highletter", "z");
        assertSemantics("AND p highletter", "p");
    }
Tests that we can wriote rules which depends on the <i>same term</i> (java) being matched by two
different conditions (coffee, island)
container-search/src/test/java/com/yahoo/prelude/semantics/test/ComparisonTestCase.java