@Test
public void get_active_sheets_simple() throws Exception {

    List<String> names =
            XlsUtils.getActiveSheetsFromWorkbookSpec(getClass().getResourceAsStream("simple_workbook.xml"));
    Assertions
            .assertThat(names)
            .isNotEmpty() //
            .containsExactly("Feuille1", "Feuille2", "Feuille3");
}