5 files changed, 10 insertions, 0 deletions
diff --git a/lib/gitlab/ci/reports/test_case.rb b/lib/gitlab/ci/reports/test_case.rb
index b4d08ed257f..292e273a03a 100644
--- a/lib/gitlab/ci/reports/test_case.rb
+++ b/lib/gitlab/ci/reports/test_case.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Reports
diff --git a/lib/gitlab/ci/reports/test_reports.rb b/lib/gitlab/ci/reports/test_reports.rb
index c87bdb4a8a2..7397ff35d46 100644
--- a/lib/gitlab/ci/reports/test_reports.rb
+++ b/lib/gitlab/ci/reports/test_reports.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Reports
diff --git a/lib/gitlab/ci/reports/test_reports_comparer.rb b/lib/gitlab/ci/reports/test_reports_comparer.rb
index 726c6a11a81..11810bdc0a8 100644
--- a/lib/gitlab/ci/reports/test_reports_comparer.rb
+++ b/lib/gitlab/ci/reports/test_reports_comparer.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Reports
diff --git a/lib/gitlab/ci/reports/test_suite.rb b/lib/gitlab/ci/reports/test_suite.rb
index b5f15397c0f..b0391160c15 100644
--- a/lib/gitlab/ci/reports/test_suite.rb
+++ b/lib/gitlab/ci/reports/test_suite.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Reports
diff --git a/lib/gitlab/ci/reports/test_suite_comparer.rb b/lib/gitlab/ci/reports/test_suite_comparer.rb
index 642aa593092..9cb7db5934c 100644
--- a/lib/gitlab/ci/reports/test_suite_comparer.rb
+++ b/lib/gitlab/ci/reports/test_suite_comparer.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Reports