errContent = new ByteArrayOutputStream();
        System.setOut(new PrintStream(outContent));
        System.setErr(new PrintStream(errContent));
    }

    @AfterEach
    void restoreStreams() {
        System.setOut(originalOut);
        System.setErr(originalErr);
    }

    @Test
    @DisplayName("TestLocking fields are properly initialized")
    void testFieldInitialization() {