Restored test_interleaved. After issue #8886 it was a duplicate of

test_different_file.

Lib/test/test_zipfile.py

@@ -1809,11 +1809,12 @@ class TestsWithMultipleOpens(unittest.TestCase):
         for f in get_files(self):
             self.make_test_archive(f)
             with zipfile.ZipFile(f, mode="r") as zipf:
-                with zipf.open('ones') as zopen1, zipf.open('twos') as zopen2:
+                with zipf.open('ones') as zopen1:
                     data1 = zopen1.read(500)
-                    data2 = zopen2.read(500)
-                    data1 += zopen1.read()
-                    data2 += zopen2.read()
+                    with zipf.open('twos') as zopen2:
+                        data2 = zopen2.read(500)
+                        data1 += zopen1.read()
+                        data2 += zopen2.read()
                 self.assertEqual(data1, self.data1)
                 self.assertEqual(data2, self.data2)