@Test
public void testListAllShouldListWhenPathPointsToASubFolderAndStartsWithASlash() throws Exception {

    init();
    // then : should list if path starts with "/"
    assertThat(preparationService
            .listAll(null, null, "/foo/prep_name_foo", null, null) //
            .collect(Collectors.toList())
            .size(), is(1));
}