Change to Response.autocorrect_location_header in Werkzeug 2.1.0 causing test failure.

[stacywsmith]

pallets/werkzeug#2352 changed the default value of Response.autocorrect_location_header from True to False in Werkzeug >= 2.1.0.

tests/legacy/test_api_legacy.py::APITest::test_redirect currently depends upon Response.autocorrect_location_header being True.

Repro Steps (if applicable)

1. With Werkzeug >= 2.1.0 installed
2. inv test

Expected Behavior

Tests should pass.

Actual Behavior

tests/legacy/test_api_legacy.py::APITest::test_redirect fails with:

========================================================= short test summary info ==========================================================
FAILED tests/legacy/test_api_legacy.py::APITest::test_redirect - AssertionError: assert '/' == 'http://localhost/'

Environment

• Python version: CPython 3.8.12
• Flask version: 2.1.0
• Flask-RESTX version: 0.5.1
• Other installed Flask extensions: N/A
• Werkzeaug: 2.1.0