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-rw-r--r--activesupport/test/core_ext/kernel/concern_test.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/activesupport/test/core_ext/kernel/concern_test.rb b/activesupport/test/core_ext/kernel/concern_test.rb
index 9b1fdda3b0..478a00d2d2 100644
--- a/activesupport/test/core_ext/kernel/concern_test.rb
+++ b/activesupport/test/core_ext/kernel/concern_test.rb
@@ -6,7 +6,8 @@ class KernelConcernTest < ActiveSupport::TestCase
mod = ::TOPLEVEL_BINDING.eval 'concern(:ToplevelConcern) { }'
assert_equal mod, ::ToplevelConcern
assert_kind_of ActiveSupport::Concern, ::ToplevelConcern
- assert !Object.ancestors.include?(::ToplevelConcern), mod.ancestors.inspect
+ assert_not Object.ancestors.include?(::ToplevelConcern), mod.ancestors.inspect
+ ensure
Object.send :remove_const, :ToplevelConcern
end
end