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-rw-r--r--test/test_helper.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 6a6fd7fa5..390d09518 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -204,7 +204,7 @@ class ActiveSupport::TestCase
saved = object.save
message = "#{object.class} could not be saved"
errors = object.errors.full_messages.map {|m| "- #{m}"}
- message << ":\n#{errors.join("\n")}" if errors.any?
+ message += ":\n#{errors.join("\n")}" if errors.any?
assert_equal true, saved, message
end