[3.6] bpo-34594: Don't hardcode errno values in the tests. (GH-9096)

(cherry picked from commit b03c2c5)

Author: ZackerySpytz

Lib/test/test_spwd.py

@@ -67,8 +67,6 @@ def test_getspnam_exception(self):
                 spwd.getspnam(name)
         except KeyError as exc:
             self.skipTest("spwd entry %r doesn't exist: %s" % (name, exc))
-        else:
-            self.assertEqual(str(cm.exception), '[Errno 13] Permission denied')
 
 
 if __name__ == "__main__":

Misc/NEWS.d/next/Tests/2018-09-05-23-50-21.bpo-34594.tqL-GS.rst

@@ -0,0 +1 @@
+Fix usage of hardcoded ``errno`` values in the tests.