regrtest: --fast-ci/slow-ci no longer imply --rerun-fail (python#110849)

Author: vstinner

Lib/test/libregrtest/cmdline.py

@@ -406,7 +406,6 @@ def _parse_args(args, **kwargs):
             ns.use_mp = 0
         ns.randomize = True
         ns.fail_env_changed = True
-        ns.fail_rerun = True
         if ns.python is None:
             ns.rerun = True
         ns.print_slow = True

Lib/test/test_regrtest.py

@@ -394,7 +394,6 @@ def check_ci_mode(self, args, use_resources, rerun=True):
         self.assertTrue(regrtest.randomize)
         self.assertIsInstance(regrtest.random_seed, int)
         self.assertTrue(regrtest.fail_env_changed)
-        self.assertTrue(regrtest.fail_rerun)
         self.assertTrue(regrtest.print_slowest)
         self.assertTrue(regrtest.output_on_failure)
         self.assertEqual(sorted(regrtest.use_resources), sorted(use_resources))