1 files changed, 9 insertions, 11 deletions
diff --git a/Lib/test/test_posixpath.py b/Lib/test/test_posixpath.py
index 262e09d..724c530 100644
--- a/Lib/test/test_posixpath.py
+++ b/Lib/test/test_posixpath.py
@@ -1,11 +1,11 @@
-import unittest
-from test import support, test_genericpath
-
 import itertools
-import posixpath
 import os
+import posixpath
 import sys
+import unittest
+import warnings
 from posixpath import realpath, abspath, dirname, basename
+from test import support, test_genericpath
 
 try:
     import posix
@@ -245,7 +245,9 @@ class PosixPathTest(unittest.TestCase):
 
     def test_ismount(self):
         self.assertIs(posixpath.ismount("/"), True)
-        self.assertIs(posixpath.ismount(b"/"), True)
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", DeprecationWarning)
+            self.assertIs(posixpath.ismount(b"/"), True)
 
     def test_ismount_non_existent(self):
         # Non-existent mountpoint.
@@ -598,14 +600,10 @@ class PosixPathTest(unittest.TestCase):
             self.assertTrue(posixpath.sameopenfile(a.fileno(), b.fileno()))
 
 
-class PosixCommonTest(test_genericpath.CommonTest):
+class PosixCommonTest(test_genericpath.CommonTest, unittest.TestCase):
     pathmodule = posixpath
     attributes = ['relpath', 'samefile', 'sameopenfile', 'samestat']
 
 
-def test_main():
-    support.run_unittest(PosixPathTest, PosixCommonTest)
-
-
 if __name__=="__main__":
-    test_main()
+    unittest.main()