assertOrder(X_LT_Y, "1-abc", "1-abcd");
        assertOrder(X_LT_Y, "1-abc", "1-bcd");
        assertOrder(X_GT_Y, "1-abc", "1-aac");
    }

    @Test
    void testCaseInsensitiveOrderingOfQualifiers() {
        assertOrder(X_EQ_Y, "1.alpha", "1.ALPHA");
        assertOrder(X_EQ_Y, "1.alpha", "1.Alpha");

        assertOrder(X_EQ_Y, "1.beta", "1.BETA");
        assertOrder(X_EQ_Y, "1.beta", "1.Beta");