Add ValueError raising test

Author: SabineHaas

example/test_examples.py

@@ -28,8 +28,8 @@ def test_turbine_cluster_modelchain_example_flh(self):
         my_turbine, e126 = mc_e.initialize_wind_turbines()
         example_farm, example_farm_2 = tc_mc_e.initialize_wind_farms(
             my_turbine, e126)
-        example_cluster = tc_mc_e.initialize_wind_turbine_cluster(example_farm,
-                                                             example_farm_2)
+        example_cluster = tc_mc_e.initialize_wind_turbine_cluster(
+            example_farm, example_farm_2)
         tc_mc_e.calculate_power_output(weather, example_farm, example_cluster)
         assert_allclose(1586.23527, (example_farm.power_output.sum() /
                                      example_farm.installed_power), 0.01)

tests/test_wake_losses.py

@@ -27,3 +27,6 @@ def test_reduce_wind_speed(self):
         with pytest.raises(ValueError):
             parameters['wind_efficiency_curve_name'] = 'misspelled'
             reduce_wind_speed(**parameters)
+        with pytest.raises(ValueError):
+            parameters['wind_efficiency_curve_name'] = 'dena_misspelled'
+            reduce_wind_speed(**parameters)