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-rw-r--r--actionview/lib/action_view/test_case.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionview/lib/action_view/test_case.rb b/actionview/lib/action_view/test_case.rb
index e1cbae5845..e14f7aaec7 100644
--- a/actionview/lib/action_view/test_case.rb
+++ b/actionview/lib/action_view/test_case.rb
@@ -107,7 +107,7 @@ module ActionView
# empty string ensures buffer has UTF-8 encoding as
# new without arguments returns ASCII-8BIT encoded buffer like String#new
@output_buffer = ActiveSupport::SafeBuffer.new ""
- @rendered = "".dup
+ @rendered = +""
make_test_case_available_to_view!
say_no_to_protect_against_forgery!