Fix a typo in tests/lib/configuration_helpers.py (#5858)
Fix a typo in tests/lib/configuration_helpers.py (#5858)


pradyunsg/pip,xavfernandez/pip,pradyunsg/pip,rouge8/pip,sbidoul/pip,xavfernandez/pip,pfmoore/pip,xavfernandez/pip,rouge8/pip,rouge8/pip,pypa/pip,sbidoul/pip,pypa/pip,pfmoore/pip