Close all plots. Close #55

py_wake/tests/notebook.py

py_wake/tests/test_deficit_models/test_fuga.py

...ke/tests/test_deflection_models/test_deflection_models.py

py_wake/tests/test_flow_map.py

py_wake/tests/test_ground_models/test_mirror.py

py_wake/tests/test_main.py

py_wake/tests/test_notebooks.py

py_wake/tests/test_rotor_avg_models.py

py_wake/tests/test_sites/test_site.py

py_wake/tests/test_sites/test_wasp_grid_site.py

py_wake/tests/test_sites/test_xrsite.py

...ke/tests/test_turbulence_models/test_turbulence_models.py

py_wake/tests/test_utils/test_gradients.py

py_wake/tests/test_utils/test_grid_interpolator.py

.../test_wind_farm_models/test_enginering_wind_farm_model.py

py_wake/tests/test_windturbines/test_windturbines.py