Fixed assertion result with the latest stable version of JRuby

Author: hsbt

test/test_rake_rake_test_loader.rb

@@ -53,7 +53,7 @@ def test_load_error_raised_implicitly
       exc = assert_raises(LoadError) do
         load @loader
       end
-      if RUBY_ENGINE == "jruby"
+      if RUBY_ENGINE == "jruby" && JRUBY_VERSION <= "10"
         assert_equal "no such file to load -- superkalifragilisticoespialidoso", exc.message
       else
         assert_equal "cannot load such file -- superkalifragilisticoespialidoso", exc.message