What is the role of a decorator in the ConfTest class?

In the ConfTest class, a decorator is typically used to modify the behavior of test methods or classes without changing their original code. For example, a decorator can:

• Add setup or cleanup procedures before running a test.
• Log the start and results of tests.
• Manage test parameterization.
• Skip tests under certain conditions.

Example in Python:

class ConfTest:
    @some_decorator
    def test_example(self):
        # test code
        pass

Here, some_decorator might, for instance, set up configuration before executing test_example.

Thus, the role of the decorator is to extend or modify the behavior of tests in the ConfTest class without directly changing their code.