Decode hexadecimal-encoded literals in order to be frozen string literals friendly (#31004).

Patch by Yuichi HARADA.


git-svn-id: http://svn.redmine.org/redmine/trunk@17991 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/helpers/application_helper_test.rb

@@ -37,7 +37,7 @@ class ApplicationHelperTest < Redmine::HelperTest
   def setup
     super
     set_tmp_attachments_directory
-    @russian_test = "\xd1\x82\xd0\xb5\xd1\x81\xd1\x82".force_encoding('UTF-8')
+    @russian_test = 'тест'
   end
 
   test "#link_to_if_authorized for authorized user should allow using the :controller and :action for the target link" do
@@ -1792,7 +1792,7 @@ RAW
   end
 
   def test_truncate_single_line_non_ascii
-    ja = "\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e".force_encoding('UTF-8')
+    ja = '日本語'
     result = truncate_single_line_raw("#{ja}\n#{ja}\n#{ja}", 10)
     assert_equal "#{ja} #{ja}...", result
     assert !result.html_safe?