Issue #21741: Update 147 test modules to use test discovery.

I have compared output between pre- and post-patch runs of these tests
to make sure there's nothing missing and nothing broken, on both
Windows and Linux.  The only differences I found were actually tests
that were previously *not* run.

1 files changed, 1 insertions, 5 deletions

diff --git a/Lib/test/test_augassign.py b/Lib/test/test_augassign.py
index dd62d2e18c..5093e9d0f3 100644
--- a/Lib/test/test_augassign.py
+++ b/Lib/test/test_augassign.py
@@ -1,6 +1,5 @@
 # Augmented assignment test.
 
-from test.support import run_unittest
 import unittest
 
 
@@ -315,8 +314,5 @@ __rlshift__ called
 __ilshift__ called
 '''.splitlines())
 
-def test_main():
-    run_unittest(AugAssignTest)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()