Don't rescue Exception class (#31387).

Patch by Go MAEDA and Pavel Rosický.


git-svn-id: http://svn.redmine.org/redmine/trunk@18197 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/project_nested_set_concurrency_test.rb

@@ -52,7 +52,7 @@ class ProjectNestedSetConcurrencyTest < ActiveSupport::TestCase
                 c2.reload.destroy
                 c1.reload.destroy
               end
-            rescue Exception => e
+            rescue => e
               Thread.current[:exception] = e.message
             end
           end