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-rw-r--r--railties/test/generators/app_generator_test.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/railties/test/generators/app_generator_test.rb b/railties/test/generators/app_generator_test.rb
index 14cdd8b5c9..1169633244 100644
--- a/railties/test/generators/app_generator_test.rb
+++ b/railties/test/generators/app_generator_test.rb
@@ -964,7 +964,7 @@ class AppGeneratorTest < Rails::Generators::TestCase
def test_after_bundle_callback
path = "http://example.org/rails_template"
- template = %{ after_bundle { run 'echo ran after_bundle' } }.dup
+ template = +%{ after_bundle { run 'echo ran after_bundle' } }
template.instance_eval "def read; self; end" # Make the string respond to read
check_open = -> *args do