bpo-39502: Skip test_zipfile.test_add_file_after_2107() on AIX (GH-18282)

Skip test_zipfile.test_add_file_after_2107() if time.localtime()
fails with OverflowError. It is the case on AIX 6.1 for example.
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
index 4c20bfd..c334715 100644
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile.py
@@ -611,8 +611,13 @@
 
     def test_add_file_after_2107(self):
         # Set atime and mtime to 2108-12-30
+        ts = 4386268800
         try:
-            os.utime(TESTFN, (4386268800, 4386268800))
+            time.localtime(ts)
+        except OverflowError:
+            self.skipTest(f'time.localtime({ts}) raises OverflowError')
+        try:
+            os.utime(TESTFN, (ts, ts))
         except OverflowError:
             self.skipTest('Host fs cannot set timestamp to required value.')