Issue #22397: Skip failing tests on AIX

Patch from David Edelsohn.

Lib/test/test_socket.py

@@ -2750,6 +2750,7 @@ class SCMRightsTest(SendrecvmsgServerTimeoutBase):
         self.createAndSendFDs(1)
 
     @unittest.skipIf(sys.platform == "darwin", "skipping, see issue #12958")
+    @unittest.skipIf(sys.platform.startswith("aix"), "skipping, see issue #22397")
     @requireAttrs(socket, "CMSG_SPACE")
     def testFDPassSeparate(self):
         # Pass two FDs in two separate arrays.  Arrays may be combined
@@ -2760,6 +2761,7 @@ class SCMRightsTest(SendrecvmsgServerTimeoutBase):
 
     @testFDPassSeparate.client_skip
     @unittest.skipIf(sys.platform == "darwin", "skipping, see issue #12958")
+    @unittest.skipIf(sys.platform.startswith("aix"), "skipping, see issue #22397")
     def _testFDPassSeparate(self):
         fd0, fd1 = self.newFDs(2)
         self.assertEqual(
@@ -2772,6 +2774,7 @@ class SCMRightsTest(SendrecvmsgServerTimeoutBase):
             len(MSG))
 
     @unittest.skipIf(sys.platform == "darwin", "skipping, see issue #12958")
+    @unittest.skipIf(sys.platform.startswith("aix"), "skipping, see issue #22397")
     @requireAttrs(socket, "CMSG_SPACE")
     def testFDPassSeparateMinSpace(self):
         # Pass two FDs in two separate arrays, receiving them into the
@@ -2784,6 +2787,7 @@ class SCMRightsTest(SendrecvmsgServerTimeoutBase):
 
     @testFDPassSeparateMinSpace.client_skip
     @unittest.skipIf(sys.platform == "darwin", "skipping, see issue #12958")
+    @unittest.skipIf(sys.platform.startswith("aix"), "skipping, see issue #22397")
     def _testFDPassSeparateMinSpace(self):
         fd0, fd1 = self.newFDs(2)
         self.assertEqual(