bpo-45162: Remove many old deprecated unittest features (GH-28268)

* "fail*" and "assert*" aliases of TestCase methods.
* Broken from start TestCase method assertDictContainsSubset().
* Ignored TestLoader.loadTestsFromModule() parameter use_load_tests.
* Old alias _TextTestResult of TextTestResult.

1 files changed, 3 insertions, 7 deletions

diff --git a/Lib/unittest/test/test_runner.py b/Lib/unittest/test/test_runner.py
index 453e6c3..6dc3cf6 100644
--- a/Lib/unittest/test/test_runner.py
+++ b/Lib/unittest/test/test_runner.py
@@ -1146,8 +1146,6 @@ class Test_TextTestRunner(unittest.TestCase):
             return [b.splitlines() for b in p.communicate()]
         opts = dict(stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                     cwd=os.path.dirname(__file__))
-        ae_msg = b'Please use assertEqual instead.'
-        at_msg = b'Please use assertTrue instead.'
 
         # no args -> all the warnings are printed, unittest warnings only once
         p = subprocess.Popen([sys.executable, '-E', '_test_warnings.py'], **opts)
@@ -1155,11 +1153,11 @@ class Test_TextTestRunner(unittest.TestCase):
             out, err = get_parse_out_err(p)
         self.assertIn(b'OK', err)
         # check that the total number of warnings in the output is correct
-        self.assertEqual(len(out), 12)
+        self.assertEqual(len(out), 10)
         # check that the numbers of the different kind of warnings is correct
         for msg in [b'dw', b'iw', b'uw']:
             self.assertEqual(out.count(msg), 3)
-        for msg in [ae_msg, at_msg, b'rw']:
+        for msg in [b'rw']:
             self.assertEqual(out.count(msg), 1)
 
         args_list = (
@@ -1186,11 +1184,9 @@ class Test_TextTestRunner(unittest.TestCase):
         with p:
             out, err = get_parse_out_err(p)
         self.assertIn(b'OK', err)
-        self.assertEqual(len(out), 14)
+        self.assertEqual(len(out), 12)
         for msg in [b'dw', b'iw', b'uw', b'rw']:
             self.assertEqual(out.count(msg), 3)
-        for msg in [ae_msg, at_msg]:
-            self.assertEqual(out.count(msg), 1)
 
     def testStdErrLookedUpAtInstantiationTime(self):
         # see issue 10786