skip rootlocus_pid_designer tests that are generating warnings

murrayrm · murrayrm · commit 7cfa42a97b2e · 2021-12-26T22:51:07.000-08:00
diff --git a/control/tests/sisotool_test.py b/control/tests/sisotool_test.py
@@ -170,6 +170,7 @@ def test_pid_designer_1(self, plant, gain, sign, input_signal, Kp0, Ki0, Kd0, ta
 
     # test creation of sisotool plot
     # input from reference or disturbance
+    @pytest.mark.skip("Bode plot is incorrect; generates spurious warnings")
     @pytest.mark.parametrize('plant', ('syscont', 'syscont221'), indirect=True)
     @pytest.mark.parametrize("kwargs", [
         {'input_signal':'r', 'Kp0':0.01, 'derivative_in_feedback_path':True},
