Skip zoneinfo tests on VxWorks (#13535)

diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index d5de5e9..a1ed614 100644
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -5780,6 +5780,8 @@
     zonename = 'America/New_York'
 
     def setUp(self):
+        if sys.platform == "vxworks":
+            self.skipTest("Skipping zoneinfo tests on VxWorks")
         if sys.platform == "win32":
             self.skipTest("Skipping zoneinfo tests on Windows")
         try: