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-rw-r--r--spec/ruby/core/env/merge_spec.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/spec/ruby/core/env/merge_spec.rb b/spec/ruby/core/env/merge_spec.rb
new file mode 100644
index 0000000000..b418cd11f4
--- /dev/null
+++ b/spec/ruby/core/env/merge_spec.rb
@@ -0,0 +1,8 @@
+require_relative '../../spec_helper'
+require_relative 'shared/update'
+
+ruby_version_is "2.7" do
+ describe "ENV.merge!" do
+ it_behaves_like :env_update, :merge!
+ end
+end