DateTime::TimeZone test patch to work with DateTime >= 0.29

[Daisuke Maki]

DateTime 0.29 made changes to the date math wrt to DST, so tests that
expected to fail when resulting datetime is invalid now are complaining.

I haven't checked all the tests yet, but here's at least one...

Index: t/09changes.t
===================================================================
RCS file: /cvsroot/perl-date-time/modules/DateTime-TimeZone/t/09changes.t,v
retrieving revision 1.15
diff -d -u -r1.15 09changes.t
--- t/09changes.t       20 Oct 2003 15:11:47 -0000      1.15
+++ t/09changes.t       6 Jul 2005 06:55:31 -0000
@@ -313,9 +313,12 @@
                             hour => 2,
                             time_zone => 'America/Chicago',
                           );
-
-    eval { $dt->add( days => 1 ) };
-    like( $@, qr/Invalid local time .+/, 'exception for invalid time
produced via add' );
+    SKIP: {
+        skip 'DateTime >= 0.29 does not have this problem', 1  if
+            $DateTime::VERSION >= 0.29;
+        eval { $dt->add( days => 1 ) };
+        like( $@, qr/Invalid local time .+/, 'exception for invalid
time produced via add' );
+    }
 }

 {