def test_get_keys(self):
    self._test_get_keys({'prop1': 1, 'prop2': 0.1}, {'prop1', 'prop2'})
    self._test_get_keys([{'A': i, 'B': [(2 * i), (i * i)]} for i in range(100)], {'A', 'B'})
def test_get_keys(self):
    self._test_get_keys({'prop1': 1, 'prop2': 0.1}, {'prop1', 'prop2'})
    self._test_get_keys([{'A': i, 'B': [(2 * i), (i * i)]} for i in range(100)], {'A', 'B'})