prevent rake task error on JRuby 1.7 (#12228)

Following is "rake db:migrate RAILS_ENV=test" output
on jruby 1.7.0 (1.9.3p203) 2012-10-22 ff1ebbe on OpenJDK Client VM 1.6.0_18-b18 [linux-i386].

<pre>
ArgumentError: file not found: db:migrate
   non_options at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/test/unit.rb:167
          map! at org/jruby/RubyArray.java:2387
   non_options at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/test/unit.rb:146
   non_options at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/test/unit.rb:207
  process_args at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/test/unit.rb:52
          _run at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/minitest/unit.rb:891
           run at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/minitest/unit.rb:884
           run at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/test/unit.rb:21
       autorun at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/test/unit.rb:326
      run_once at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/test/unit.rb:27
       autorun at /xxxxx/rubies/jruby-1.7.0/lib/ruby/1.9/test/unit.rb:325
</pre>

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10737 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 3 insertions, 2 deletions

diff --git a/Gemfile b/Gemfile
index 33a29951d..f0ec5262d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -74,8 +74,9 @@ end
 
 group :test do
   gem "shoulda", "~> 2.11"
-  # Shoulda does not work nice on Ruby 1.9.3 and seems to need test-unit explicitely.
-  gem "test-unit", :platforms => [:mri_19]
+  # Shoulda does not work nice on Ruby 1.9.3 and JRuby 1.7.
+  # It seems to need test-unit explicitely.
+  gem "test-unit", :platforms => [:mri_19, :jruby]
   gem "mocha", "0.12.3"
 end