def test_raises_exception_if_data_center_is_invalid(self):
session = SauceSession()
with pytest.raises(ValueError):
session.data_center = 'invalid'
def test_overrides_default_value_for_data_center(self):
session = SauceSession()
session.data_center = 'eu'
assert "eu-central-1" in session.remote_url