diff -r ad90fc28769a Lib/test/test_zipfile.py
--- a/Lib/test/test_zipfile.py	Sat Jul 27 00:33:35 2013 +0200
+++ b/Lib/test/test_zipfile.py	Sun Jul 28 20:54:55 2013 -0400
@@ -22,6 +22,7 @@
 DATAFILES_DIR = 'zipfile_datafiles'
 
 SMALL_TEST_DATA = [('_ziptest1', '1q2w3e4r5t'),
+                   ('_ziptest1', ' '),
                    ('ziptest2dir/_ziptest2', 'qawsedrftg'),
                    ('ziptest2dir/ziptest3dir/_ziptest3', 'azsxdcfvgb'),
                    ('ziptest2dir/ziptest3dir/ziptest4dir/_ziptest3', '6y7u8i9o0p')]
@@ -1141,15 +1142,7 @@
             zipf = zipfile.ZipFile(TESTFN, mode="r")
         except:
             self.fail("Unable to create empty ZIP file in 'a' mode")
-
-    def test_open_empty_file(self):
-        # Issue 1710703: Check that opening a file with less than 22 bytes
-        # raises a BadZipFile exception (rather than the previously unhelpful
-        # OSError)
-        f = open(TESTFN, 'w')
-        f.close()
-        self.assertRaises(zipfile.BadZipFile, zipfile.ZipFile, TESTFN, 'r')
-
+        
     def test_create_zipinfo_before_1980(self):
         self.assertRaises(ValueError,
                           zipfile.ZipInfo, 'seventies', (1979, 1, 1, 0, 0, 0))