@Test
    @DisplayName("TestLocking increments numComplete")
    void testNumCompleteIncrement() {
        TestLocking t = new TestLocking();
        t.url = "smb://test/file.txt";
        t.numIter = 0; // Set to 0 so run() exits immediately

        // Run the method
        t.run();

        // Verify numComplete was incremented
        assertEquals(1, t.numComplete, "numComplete should be incremented after run");
    }