assertFalse(mockRequest.isCancel(), "isCancel should return false when mocked to do so.");
        verify(mockRequest, times(1)).isCancel();
    }

    @Test
    void testGetNext() {
        // Test case for getNext method
        Request nextRequest = mock(Request.class); // Mock a chained request
        when(mockRequest.getNext()).thenReturn(nextRequest);