assertTrue(emptyIterator instanceof AutoCloseable, "Should implement AutoCloseable");
    }

    @Test
    @DisplayName("hasNext should always return false")
    void testHasNextAlwaysReturnsFalse() {
        // When & Then
        assertFalse(emptyIterator.hasNext(), "hasNext should return false");
        assertFalse(emptyIterator.hasNext(), "hasNext should consistently return false");