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Changes between Initial Version and Version 1 of Ticket #27012

initial	v1
9	9	}}}
10	10
	11	This function is used in the test: test_client_regress.tests.ContextTests.test_nested_requests.
	12
11	13	This causes pre-test setting values like `_original_email_backend` and `_original_allowed_hosts` to be wiped out because these values are overwritten by the test values when `setup_test_environment()` is called a second time (see [https://github.com/django/django/blob/5c63b3e5a797102d915e1683971517f747a28013/django/test/utils.py#L97 here] for `setup_test_environment()`).