Fix test failure when running with PostgreSQL (#20042).

Patch by Ko Nagase.


git-svn-id: https://svn.redmine.org/redmine/trunk@21990 e93f8b46-1217-0410-a6f0-8f06a7374b81

Author: vividtone

test/unit/search_test.rb

@@ -175,7 +175,7 @@ def test_search_should_find_percent_sign
   end
 
   def test_search_should_be_case_insensitive_with_accented_characters
-    unless sqlite?
+    unless sqlite? || postgresql?
       issue1 = Issue.generate!(:subject => "Special chars: ÖÖ")
       issue2 = Issue.generate!(:subject => "Special chars: Öö")
       r = Issue.search_results('ÖÖ')