t.run();
        assertEquals(1, t.numComplete, "numComplete should be incremented");
    }

    @Test
    @DisplayName("TestLocking can be instantiated")
    void testInstantiation() {
        TestLocking t = new TestLocking();
        assertNotNull(t, "TestLocking instance should not be null");
    }

    @Test
    @DisplayName("Field values are independent across instances")