def test_create(self):
"""
Test for method create.
Should searching for the metric by name and instantiates the according calculation function
"""
for implemented_metric in self.all_implemented_metrics:
self.assertIsInstance(Scorer.create(implemented_metric), types.FunctionType)
for not_implemented_metric in self.some_not_implemented_metrics:
self.assertIsNone(Scorer.create(not_implemented_metric))