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tmaruyama authored
Rails3: test: replace deprecated Errors#on to Errors#[] and join with to_s at test/unit/custom_field_test.rb On Rails2, Errors#[] returns single error if one error raises. But, on Rails3, Errors#[] always returns the array. git-svn-id: https://svn.redmine.org/redmine/trunk@8139 e93f8b46-1217-0410-a6f0-8f06a7374b81
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