test_spec.py::TestCoreMetadataV* fail with AssertionError

[GaetanLepage]

When running the hatch test suite, in addition of the failures reported in #1850, I get the following ones:

=========================== short test summary info ============================
FAILED tests/backend/metadata/test_spec.py::TestProjectMetadataFromCoreMetadata::test_license_files - AssertionError: assert {'license-fil...ion': '0.1.0'} == {'license-fil...io...
FAILED tests/backend/metadata/test_spec.py::TestCoreMetadataV21::test_license_expression[construct_metadata_file_2_1] - AssertionError: assert 'Metadata-Ver...icense: MIT\n' == 'Metadata-Ver...es...
FAILED tests/backend/metadata/test_spec.py::TestCoreMetadataV23::test_all[construct_metadata_file_2_3] - AssertionError: assert 'Metadata-Ver...est content\n' == 'Metadata-Ver...es...
FAILED tests/backend/metadata/test_spec.py::TestCoreMetadataV22::test_all[construct_metadata_file_2_2] - AssertionError: assert 'Metadata-Ver...est content\n' == 'Metadata-Ver...es...
FAILED tests/backend/metadata/test_spec.py::TestCoreMetadataV21::test_all[construct_metadata_file_2_1] - AssertionError: assert 'Metadata-Ver...est content\n' == 'Metadata-Ver...es...
FAILED tests/backend/metadata/test_spec.py::TestCoreMetadataV23::test_license_expression[construct_metadata_file_2_3] - AssertionError: assert 'Metadata-Ver... Apache-2.0\n' == 'Metadata-Ver... A...
FAILED tests/backend/metadata/test_spec.py::TestCoreMetadataV23::test_license_files[construct_metadata_file_2_3] - AssertionError: assert 'Metadata-Ver...sion: 0.1.0\n' == 'Metadata-Ver...SE...
FAILED tests/backend/metadata/test_spec.py::TestCoreMetadataV22::test_license_expression[construct_metadata_file_2_2] - AssertionError: assert 'Metadata-Ver...icense: MIT\n' == 'Metadata-Ver...es...
================= 8 failed, 1481 passed, 116 skipped in 8.75s ==================

Example message:

>       assert constructor(metadata) == helpers.dedent(
            """
            Metadata-Version: 2.3
            Name: My.App
            Version: 0.1.0
            License-Expression: MIT OR Apache-2.0
            """
        )
E       AssertionError: assert 'Metadata-Ver... Apache-2.0\n' == 'Metadata-Ver... Apache-2.0\n'
E
E         Skipping 47 identical leading characters in diff, use -v to show
E           .0
E         - License-Expression: MIT OR Apache-2.0
E         ?        -----------
E         + License: MIT OR Apache-2.0