@Test
public void testListAllModuleIds() throws Exception {

    final Set<String> strings = _depManager.getAllModuleIds();
    final String allStrings = strings.toString();
    assertTrue(allStrings, strings.contains("1a"));
    assertTrue(allStrings, strings.contains("1b"));
    assertTrue(allStrings, strings.contains("2a"));
    assertTrue(allStrings, strings.contains("2b"));
    assertTrue(allStrings, strings.contains("3a"));
    assertTrue(allStrings, strings.contains("3b"));
    assertTrue(allStrings, strings.contains("3c"));
}