def test_modeOnList_One(self):
items = ['a', 'b', 'a', 'd']
res = BlocklyMethods.modeOnList(items)
self.assertEqual(['a'], res)
def test_modeOnList_all(self):
items = ['a', 'b', 'c', 'd']
res = BlocklyMethods.modeOnList(items)
self.assertEqual(items, res)