'list_display_links is checked for list/tuple/None even if
get_list_display() is overridden.'

def test_list_display_link_checked_for_list_tuple_if_get_list_display_overridden(self):

    class TestModelAdmin(ModelAdmin, ):
        list_display_links = 'non-list/tuple'
        def get_list_display(self, request):
            pass
    self.assertIsInvalid(TestModelAdmin, ValidationTestModel, "The    value    of    'list_display_links'    must    be    a    list,    a    tuple,    or    None.", 'admin.E110')
