PDF: set lang 'ja' in unit test test_fix_text_encoding_cannot_convert_ja_cp932().

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5695 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/lib/redmine/export/pdf_test.rb

@@ -28,6 +28,7 @@ class PdfTest < ActiveSupport::TestCase
   end
 
   def test_fix_text_encoding_cannot_convert_ja_cp932
+    set_language_if_valid 'ja'
     pdf = Redmine::Export::PDF::IFPDF.new('ja')
     assert pdf
     utf8_txt_1  = "\xe7\x8b\x80\xe6\x85\x8b"