def test_measure_latency_one_working(many_failing_one_working):
"""Test connection to 3 nodes where only 3rd is working."""
MainController.measure_latency(many_failing_one_working)
def test_measure_latency_all_failing(failing_nodes):
"""Expect an error if no nodes could be reached."""
with pytest.raises(NumRetriesReached):
MainController.measure_latency(failing_nodes)