'Verifies set_bookmarked returns Bool as expected.'

def test_set_bookmarked(self):

    with self.assertNumQueries(0):
        self.assertFalse(self.bookmark_service.set_bookmarked(usage_key=UsageKey.from_string('i4x://ed/ed/ed/interactive')))
    with self.assertNumQueries(9):
        self.assertTrue(self.bookmark_service.set_bookmarked(usage_key=self.vertical_2.location))
