}

    /**
     * Test contains method with null list
     */
    @Test
    @DisplayName("Contains should return false for null list")
    void testContainsNullList() {
        assertFalse(AvPairs.contains(null, AvPair.MsvAvFlags), "Should return false for null list");
    }

    /**
     * Test contains method with empty list
     */
    @Test