Create test_genericpath.CommonTest and reuse it to test other path modules.
diff --git a/Lib/test/test_macpath.py b/Lib/test/test_macpath.py
index 564def7..e81fba2 100644
--- a/Lib/test/test_macpath.py
+++ b/Lib/test/test_macpath.py
@@ -1,7 +1,6 @@
 import macpath
-from test import test_support
+from test import test_support, test_genericpath
 import unittest
-import test_genericpath
 
 
 class MacPathTestCase(unittest.TestCase):
@@ -9,12 +8,6 @@
     def test_abspath(self):
         self.assertEqual(macpath.abspath("xx:yy"), "xx:yy")
 
-    def test_abspath_with_ascii_cwd(self):
-        test_genericpath._issue3426(self, u'cwd', macpath.abspath)
-
-    def test_abspath_with_nonascii_cwd(self):
-        test_genericpath._issue3426(self, u'\xe7w\xf0', macpath.abspath)
-
     def test_isabs(self):
         isabs = macpath.isabs
         self.assertTrue(isabs("xx:yy"))
@@ -46,11 +39,6 @@
         self.assertEqual(split(":conky:mountpoint:"),
                           (':conky:mountpoint', ''))
 
-    def test_splitdrive(self):
-        splitdrive = macpath.splitdrive
-        self.assertEqual(splitdrive("foo:bar"), ('', 'foo:bar'))
-        self.assertEqual(splitdrive(":foo:bar"), ('', ':foo:bar'))
-
     def test_splitext(self):
         splitext = macpath.splitext
         self.assertEqual(splitext(":foo.ext"), (':foo', '.ext'))
@@ -67,9 +55,12 @@
             self.assertIsInstance(macpath.normpath(path), unicode,
                                   'normpath() returned str instead of unicode')
 
+class MacCommonTest(test_genericpath.CommonTest):
+    path = macpath
+
 
 def test_main():
-    test_support.run_unittest(MacPathTestCase)
+    test_support.run_unittest(MacPathTestCase, MacCommonTest)
 
 
 if __name__ == "__main__":