bpo-45057: Simplify RegressionTestResult (GH-28081) (GH-28101)

Remove code which duplicates the functionality of TextTestResult.
(cherry picked from commit 2b76a5322fdf71d62b531fd765085f96f981c244)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Miss Islington (bot) committed 4y ago

3d56272e4ecaef9f38c1f48430364701d34b3ee4

Parent: 0f274cb

Committed by GitHub <noreply@github.com> on 9/1/2021, 6:45:46 AM