diff -r 494376ec13d9 Lib/test/test_zipfile.py
--- a/Lib/test/test_zipfile.py	Thu Feb 05 14:25:53 2015 +0100
+++ b/Lib/test/test_zipfile.py	Thu Feb 05 21:16:33 2015 +0200
@@ -679,7 +679,12 @@ class PyZipFileTests(unittest.TestCase):
         if name + 'o' not in namelist:
             self.assertIn(name + 'c', namelist)
 
+    def requiresWriteAccess(self, path):
+        if not os.access(path, os.W_OK, effective_ids=True):
+            self.skipTest('requires write access to the installed location')
+
     def test_write_pyfile(self):
+        self.requiresWriteAccess(os.path.dirname(__file__))
         with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
             fn = __file__
             if fn.endswith('.pyc') or fn.endswith('.pyo'):
@@ -711,6 +716,7 @@ class PyZipFileTests(unittest.TestCase):
     def test_write_python_package(self):
         import email
         packagedir = os.path.dirname(email.__file__)
+        self.requiresWriteAccess(packagedir)
 
         with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
             zipfp.writepy(packagedir)
@@ -724,6 +730,7 @@ class PyZipFileTests(unittest.TestCase):
     def test_write_filtered_python_package(self):
         import test
         packagedir = os.path.dirname(test.__file__)
+        self.requiresWriteAccess(packagedir)
 
         with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
 
@@ -752,6 +759,7 @@ class PyZipFileTests(unittest.TestCase):
     def test_write_with_optimization(self):
         import email
         packagedir = os.path.dirname(email.__file__)
+        self.requiresWriteAccess(packagedir)
         # use .pyc if running test in optimization mode,
         # use .pyo if running test in debug mode
         optlevel = 1 if __debug__ else 0