minor test change

Author: perlinm

cirq-core/cirq/ops/identity_test.py

@@ -211,6 +211,6 @@ def test_identity_short_circuits_act_on():
 
 
 def test_identity_commutes():
-    assert cirq.commutes(cirq.I, cirq.X)
+    assert cirq.I._commutes_(cirq.X)
     with pytest.raises(TypeError):
         cirq.commutes(cirq.I, "Gate")