assertEquals(FileInformation.FILE_INTERNAL_INFO, fileInternalInfo.getFileInformationLevel());
    }

    @Test
    @DisplayName("Test initial indexNumber value is 0")
    void testInitialIndexNumber() {
        assertEquals(0L, fileInternalInfo.getIndexNumber());
    }

    @Test
    @DisplayName("Test size method returns 8")
    void testSize() {
        assertEquals(8, fileInternalInfo.size());