def test_no_ext_grid(test_net, diag_params, diag_errors, report_methods):
net = copy.deepcopy(test_net)
check_function = 'no_ext_grid'
diag_params = copy.deepcopy(diag_params)
report_methods = copy.deepcopy(report_methods)
net.ext_grid = net.ext_grid.drop(0)
check_result = pp.no_ext_grid(net)
if check_result:
diag_results = {check_function: check_result}
else:
diag_results = {}
assert diag_results[check_function] == True
def test_no_ext_grid(test_net):
net = copy.deepcopy(test_net)
net.ext_grid = net.ext_grid.drop(0)
assert pp.no_ext_grid(net) == True