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-rw-r--r--qa/spec/helpers/stub_env.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/qa/spec/helpers/stub_env.rb b/qa/spec/helpers/stub_env.rb
index 62b4a1df787..8ad864dbec8 100644
--- a/qa/spec/helpers/stub_env.rb
+++ b/qa/spec/helpers/stub_env.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
# Inspired by https://github.com/ljkbennett/stub_env/blob/master/lib/stub_env/helpers.rb
module Helpers
module StubENV