Add some frozen string to spec/**/*.rb

Adds frozen string to the following:

* spec/bin/**/*.rb
* spec/config/**/*.rb
* spec/controllers/**/*.rb

xref https://gitlab.com/gitlab-org/gitlab-ce/issues/59758

60 files changed, 119 insertions, 0 deletions

diff --git a/spec/controllers/projects/artifacts_controller_spec.rb b/spec/controllers/projects/artifacts_controller_spec.rb
index 29df00e6bb0..6ea82785e98 100644
--- a/spec/controllers/projects/artifacts_controller_spec.rb
+++ b/spec/controllers/projects/artifacts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::ArtifactsController do
diff --git a/spec/controllers/projects/avatars_controller_spec.rb b/spec/controllers/projects/avatars_controller_spec.rb
index 95b7ae5885a..de1b9dc0bf3 100644
--- a/spec/controllers/projects/avatars_controller_spec.rb
+++ b/spec/controllers/projects/avatars_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::AvatarsController do
diff --git a/spec/controllers/projects/badges_controller_spec.rb b/spec/controllers/projects/badges_controller_spec.rb
index 8eac3d9a459..5ec8d8d41d7 100644
--- a/spec/controllers/projects/badges_controller_spec.rb
+++ b/spec/controllers/projects/badges_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::BadgesController do
diff --git a/spec/controllers/projects/blame_controller_spec.rb b/spec/controllers/projects/blame_controller_spec.rb
index eb110ea0002..f901fd45604 100644
--- a/spec/controllers/projects/blame_controller_spec.rb
+++ b/spec/controllers/projects/blame_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::BlameController do
diff --git a/spec/controllers/projects/blob_controller_spec.rb b/spec/controllers/projects/blob_controller_spec.rb
index 485e3e21c4d..44500d3cde3 100644
--- a/spec/controllers/projects/blob_controller_spec.rb
+++ b/spec/controllers/projects/blob_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Projects::BlobController do
diff --git a/spec/controllers/projects/boards_controller_spec.rb b/spec/controllers/projects/boards_controller_spec.rb
index b1203fd00b0..ae85000b4e0 100644
--- a/spec/controllers/projects/boards_controller_spec.rb
+++ b/spec/controllers/projects/boards_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::BoardsController do
diff --git a/spec/controllers/projects/branches_controller_spec.rb b/spec/controllers/projects/branches_controller_spec.rb
index 52a20fa8d07..c778b7888dc 100644
--- a/spec/controllers/projects/branches_controller_spec.rb
+++ b/spec/controllers/projects/branches_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::BranchesController do
diff --git a/spec/controllers/projects/ci/lints_controller_spec.rb b/spec/controllers/projects/ci/lints_controller_spec.rb
index 0b79484bbfa..323a32575af 100644
--- a/spec/controllers/projects/ci/lints_controller_spec.rb
+++ b/spec/controllers/projects/ci/lints_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::Ci::LintsController do
diff --git a/spec/controllers/projects/commit_controller_spec.rb b/spec/controllers/projects/commit_controller_spec.rb
index 19cac47325c..b5c6382a26d 100644
--- a/spec/controllers/projects/commit_controller_spec.rb
+++ b/spec/controllers/projects/commit_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::CommitController do
diff --git a/spec/controllers/projects/commits_controller_spec.rb b/spec/controllers/projects/commits_controller_spec.rb
index 9f753e5641f..9db1ac2a46c 100644
--- a/spec/controllers/projects/commits_controller_spec.rb
+++ b/spec/controllers/projects/commits_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::CommitsController do
diff --git a/spec/controllers/projects/compare_controller_spec.rb b/spec/controllers/projects/compare_controller_spec.rb
index cfd70e93efb..1818809518d 100644
--- a/spec/controllers/projects/compare_controller_spec.rb
+++ b/spec/controllers/projects/compare_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::CompareController do
diff --git a/spec/controllers/projects/cycle_analytics_controller_spec.rb b/spec/controllers/projects/cycle_analytics_controller_spec.rb
index 6a63cbdf8e2..2dc97e18113 100644
--- a/spec/controllers/projects/cycle_analytics_controller_spec.rb
+++ b/spec/controllers/projects/cycle_analytics_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::CycleAnalyticsController do
diff --git a/spec/controllers/projects/deploy_keys_controller_spec.rb b/spec/controllers/projects/deploy_keys_controller_spec.rb
index e54cf3e8181..fcd14f13863 100644
--- a/spec/controllers/projects/deploy_keys_controller_spec.rb
+++ b/spec/controllers/projects/deploy_keys_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::DeployKeysController do
diff --git a/spec/controllers/projects/deployments_controller_spec.rb b/spec/controllers/projects/deployments_controller_spec.rb
index 5c33098fd31..95417936df4 100644
--- a/spec/controllers/projects/deployments_controller_spec.rb
+++ b/spec/controllers/projects/deployments_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::DeploymentsController do
diff --git a/spec/controllers/projects/discussions_controller_spec.rb b/spec/controllers/projects/discussions_controller_spec.rb
index 0b9f336cf13..4c29162cd0f 100644
--- a/spec/controllers/projects/discussions_controller_spec.rb
+++ b/spec/controllers/projects/discussions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::DiscussionsController do
diff --git a/spec/controllers/projects/environments_controller_spec.rb b/spec/controllers/projects/environments_controller_spec.rb
index 168c0168bba..75158f2e8e0 100644
--- a/spec/controllers/projects/environments_controller_spec.rb
+++ b/spec/controllers/projects/environments_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::EnvironmentsController do
diff --git a/spec/controllers/projects/find_file_controller_spec.rb b/spec/controllers/projects/find_file_controller_spec.rb
index 9072d67af07..538dbb5ad0b 100644
--- a/spec/controllers/projects/find_file_controller_spec.rb
+++ b/spec/controllers/projects/find_file_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::FindFileController do
diff --git a/spec/controllers/projects/forks_controller_spec.rb b/spec/controllers/projects/forks_controller_spec.rb
index 0e1663c8585..3423fdf4c41 100644
--- a/spec/controllers/projects/forks_controller_spec.rb
+++ b/spec/controllers/projects/forks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::ForksController do
diff --git a/spec/controllers/projects/graphs_controller_spec.rb b/spec/controllers/projects/graphs_controller_spec.rb
index df6a6e00f73..d390e84c9b0 100644
--- a/spec/controllers/projects/graphs_controller_spec.rb
+++ b/spec/controllers/projects/graphs_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::GraphsController do
diff --git a/spec/controllers/projects/group_links_controller_spec.rb b/spec/controllers/projects/group_links_controller_spec.rb
index ce021b2f085..d0cb3a74b78 100644
--- a/spec/controllers/projects/group_links_controller_spec.rb
+++ b/spec/controllers/projects/group_links_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::GroupLinksController do
diff --git a/spec/controllers/projects/hooks_controller_spec.rb b/spec/controllers/projects/hooks_controller_spec.rb
index 3037c922b68..137296b4f19 100644
--- a/spec/controllers/projects/hooks_controller_spec.rb
+++ b/spec/controllers/projects/hooks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::HooksController do
diff --git a/spec/controllers/projects/imports_controller_spec.rb b/spec/controllers/projects/imports_controller_spec.rb
index 3ebfe4b0918..8d88ee7dfd6 100644
--- a/spec/controllers/projects/imports_controller_spec.rb
+++ b/spec/controllers/projects/imports_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::ImportsController do
diff --git a/spec/controllers/projects/issues_controller_spec.rb b/spec/controllers/projects/issues_controller_spec.rb
index bfa23af76d5..0c46b43f080 100644
--- a/spec/controllers/projects/issues_controller_spec.rb
+++ b/spec/controllers/projects/issues_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::IssuesController do
diff --git a/spec/controllers/projects/jobs_controller_spec.rb b/spec/controllers/projects/jobs_controller_spec.rb
index 23e4e9806c2..bd30d4ee88b 100644
--- a/spec/controllers/projects/jobs_controller_spec.rb
+++ b/spec/controllers/projects/jobs_controller_spec.rb
@@ -1,4 +1,5 @@
 # coding: utf-8
+# frozen_string_literal: true
 require 'spec_helper'
 
 describe Projects::JobsController, :clean_gitlab_redis_shared_state do
diff --git a/spec/controllers/projects/labels_controller_spec.rb b/spec/controllers/projects/labels_controller_spec.rb
index 32897a0f1b4..ff089df37f7 100644
--- a/spec/controllers/projects/labels_controller_spec.rb
+++ b/spec/controllers/projects/labels_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::LabelsController do
diff --git a/spec/controllers/projects/mattermosts_controller_spec.rb b/spec/controllers/projects/mattermosts_controller_spec.rb
index 6c8c7cd8f2b..45125385d9e 100644
--- a/spec/controllers/projects/mattermosts_controller_spec.rb
+++ b/spec/controllers/projects/mattermosts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MattermostsController do
diff --git a/spec/controllers/projects/merge_requests/conflicts_controller_spec.rb b/spec/controllers/projects/merge_requests/conflicts_controller_spec.rb
index 039f35875d2..8e4ac64f7b0 100644
--- a/spec/controllers/projects/merge_requests/conflicts_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests/conflicts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MergeRequests::ConflictsController do
diff --git a/spec/controllers/projects/merge_requests/creations_controller_spec.rb b/spec/controllers/projects/merge_requests/creations_controller_spec.rb
index f031a74c5bd..5fefad86ef3 100644
--- a/spec/controllers/projects/merge_requests/creations_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests/creations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MergeRequests::CreationsController do
diff --git a/spec/controllers/projects/merge_requests/diffs_controller_spec.rb b/spec/controllers/projects/merge_requests/diffs_controller_spec.rb
index e85f32d6e30..13a28b738ca 100644
--- a/spec/controllers/projects/merge_requests/diffs_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests/diffs_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MergeRequests::DiffsController do
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index a125e470522..f4a18dcba51 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MergeRequestsController do
diff --git a/spec/controllers/projects/milestones_controller_spec.rb b/spec/controllers/projects/milestones_controller_spec.rb
index ac54b3c3952..f8470a94f98 100644
--- a/spec/controllers/projects/milestones_controller_spec.rb
+++ b/spec/controllers/projects/milestones_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MilestonesController do
diff --git a/spec/controllers/projects/mirrors_controller_spec.rb b/spec/controllers/projects/mirrors_controller_spec.rb
index 3ababe18055..51ce9e2544f 100644
--- a/spec/controllers/projects/mirrors_controller_spec.rb
+++ b/spec/controllers/projects/mirrors_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MirrorsController do
diff --git a/spec/controllers/projects/notes_controller_spec.rb b/spec/controllers/projects/notes_controller_spec.rb
index deecb7fefe9..6ec84f5c528 100644
--- a/spec/controllers/projects/notes_controller_spec.rb
+++ b/spec/controllers/projects/notes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::NotesController do
diff --git a/spec/controllers/projects/pages_controller_spec.rb b/spec/controllers/projects/pages_controller_spec.rb
index d6eece47804..f80bbf0d78f 100644
--- a/spec/controllers/projects/pages_controller_spec.rb
+++ b/spec/controllers/projects/pages_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::PagesController do
diff --git a/spec/controllers/projects/pages_domains_controller_spec.rb b/spec/controllers/projects/pages_domains_controller_spec.rb
index ffb9867a203..ff3afd51cd8 100644
--- a/spec/controllers/projects/pages_domains_controller_spec.rb
+++ b/spec/controllers/projects/pages_domains_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::PagesDomainsController do
diff --git a/spec/controllers/projects/pipeline_schedules_controller_spec.rb b/spec/controllers/projects/pipeline_schedules_controller_spec.rb
index fa732437fc1..eb8983a7633 100644
--- a/spec/controllers/projects/pipeline_schedules_controller_spec.rb
+++ b/spec/controllers/projects/pipeline_schedules_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::PipelineSchedulesController do
diff --git a/spec/controllers/projects/pipelines_controller_spec.rb b/spec/controllers/projects/pipelines_controller_spec.rb
index 814100f7d5d..9a50ea79f5e 100644
--- a/spec/controllers/projects/pipelines_controller_spec.rb
+++ b/spec/controllers/projects/pipelines_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::PipelinesController do
diff --git a/spec/controllers/projects/pipelines_settings_controller_spec.rb b/spec/controllers/projects/pipelines_settings_controller_spec.rb
index 269f105bed2..3656b4e3771 100644
--- a/spec/controllers/projects/pipelines_settings_controller_spec.rb
+++ b/spec/controllers/projects/pipelines_settings_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::PipelinesSettingsController do
diff --git a/spec/controllers/projects/project_members_controller_spec.rb b/spec/controllers/projects/project_members_controller_spec.rb
index 33486edcdd1..4141e41c7a7 100644
--- a/spec/controllers/projects/project_members_controller_spec.rb
+++ b/spec/controllers/projects/project_members_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require('spec_helper')
 
 describe Projects::ProjectMembersController do
diff --git a/spec/controllers/projects/prometheus/metrics_controller_spec.rb b/spec/controllers/projects/prometheus/metrics_controller_spec.rb
index 635763ce1d3..17f9483be98 100644
--- a/spec/controllers/projects/prometheus/metrics_controller_spec.rb
+++ b/spec/controllers/projects/prometheus/metrics_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::Prometheus::MetricsController do
diff --git a/spec/controllers/projects/protected_branches_controller_spec.rb b/spec/controllers/projects/protected_branches_controller_spec.rb
index 483d3bbc37c..0ebbb4b581f 100644
--- a/spec/controllers/projects/protected_branches_controller_spec.rb
+++ b/spec/controllers/projects/protected_branches_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require('spec_helper')
 
 describe Projects::ProtectedBranchesController do
diff --git a/spec/controllers/projects/protected_tags_controller_spec.rb b/spec/controllers/projects/protected_tags_controller_spec.rb
index 1553e081dee..a900947d82e 100644
--- a/spec/controllers/projects/protected_tags_controller_spec.rb
+++ b/spec/controllers/projects/protected_tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require('spec_helper')
 
 describe Projects::ProtectedTagsController do
diff --git a/spec/controllers/projects/raw_controller_spec.rb b/spec/controllers/projects/raw_controller_spec.rb
index cffdf30da6b..3a89d8ce032 100644
--- a/spec/controllers/projects/raw_controller_spec.rb
+++ b/spec/controllers/projects/raw_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::RawController do
diff --git a/spec/controllers/projects/refs_controller_spec.rb b/spec/controllers/projects/refs_controller_spec.rb
index 0d0fa5d9f45..6db98f2428b 100644
--- a/spec/controllers/projects/refs_controller_spec.rb
+++ b/spec/controllers/projects/refs_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::RefsController do
diff --git a/spec/controllers/projects/registry/repositories_controller_spec.rb b/spec/controllers/projects/registry/repositories_controller_spec.rb
index eca187af33d..63d84b366d3 100644
--- a/spec/controllers/projects/registry/repositories_controller_spec.rb
+++ b/spec/controllers/projects/registry/repositories_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::Registry::RepositoriesController do
diff --git a/spec/controllers/projects/registry/tags_controller_spec.rb b/spec/controllers/projects/registry/tags_controller_spec.rb
index 74ed89ba1c3..ff35139ae2e 100644
--- a/spec/controllers/projects/registry/tags_controller_spec.rb
+++ b/spec/controllers/projects/registry/tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::Registry::TagsController do
diff --git a/spec/controllers/projects/repositories_controller_spec.rb b/spec/controllers/projects/repositories_controller_spec.rb
index 5f4f6f8558f..8fca9e680dd 100644
--- a/spec/controllers/projects/repositories_controller_spec.rb
+++ b/spec/controllers/projects/repositories_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Projects::RepositoriesController do
diff --git a/spec/controllers/projects/runners_controller_spec.rb b/spec/controllers/projects/runners_controller_spec.rb
index 0baaa4e7192..279b4f360c5 100644
--- a/spec/controllers/projects/runners_controller_spec.rb
+++ b/spec/controllers/projects/runners_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::RunnersController do
diff --git a/spec/controllers/projects/services_controller_spec.rb b/spec/controllers/projects/services_controller_spec.rb
index d00d5bf579d..3608d175d50 100644
--- a/spec/controllers/projects/services_controller_spec.rb
+++ b/spec/controllers/projects/services_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::ServicesController do
diff --git a/spec/controllers/projects/settings/ci_cd_controller_spec.rb b/spec/controllers/projects/settings/ci_cd_controller_spec.rb
index 41cc0607cee..fc9a0adeed2 100644
--- a/spec/controllers/projects/settings/ci_cd_controller_spec.rb
+++ b/spec/controllers/projects/settings/ci_cd_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require('spec_helper')
 
 describe Projects::Settings::CiCdController do
diff --git a/spec/controllers/projects/settings/integrations_controller_spec.rb b/spec/controllers/projects/settings/integrations_controller_spec.rb
index 8624eb4d1a0..93e8d03098a 100644
--- a/spec/controllers/projects/settings/integrations_controller_spec.rb
+++ b/spec/controllers/projects/settings/integrations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::Settings::IntegrationsController do
diff --git a/spec/controllers/projects/settings/repository_controller_spec.rb b/spec/controllers/projects/settings/repository_controller_spec.rb
index 638cce60a25..b34053fc993 100644
--- a/spec/controllers/projects/settings/repository_controller_spec.rb
+++ b/spec/controllers/projects/settings/repository_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::Settings::RepositoryController do
diff --git a/spec/controllers/projects/snippets_controller_spec.rb b/spec/controllers/projects/snippets_controller_spec.rb
index 8d9cb2c8ac0..9b5d7317c11 100644
--- a/spec/controllers/projects/snippets_controller_spec.rb
+++ b/spec/controllers/projects/snippets_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::SnippetsController do
diff --git a/spec/controllers/projects/tags_controller_spec.rb b/spec/controllers/projects/tags_controller_spec.rb
index 379430bff3b..b99b5d611fc 100644
--- a/spec/controllers/projects/tags_controller_spec.rb
+++ b/spec/controllers/projects/tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::TagsController do
diff --git a/spec/controllers/projects/templates_controller_spec.rb b/spec/controllers/projects/templates_controller_spec.rb
index 01e53669627..bebf17728c0 100644
--- a/spec/controllers/projects/templates_controller_spec.rb
+++ b/spec/controllers/projects/templates_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::TemplatesController do
diff --git a/spec/controllers/projects/todos_controller_spec.rb b/spec/controllers/projects/todos_controller_spec.rb
index 987772f38aa..c12019fed5e 100644
--- a/spec/controllers/projects/todos_controller_spec.rb
+++ b/spec/controllers/projects/todos_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require('spec_helper')
 
 describe Projects::TodosController do
diff --git a/spec/controllers/projects/tree_controller_spec.rb b/spec/controllers/projects/tree_controller_spec.rb
index 78201498eaa..e1d8719d8d6 100644
--- a/spec/controllers/projects/tree_controller_spec.rb
+++ b/spec/controllers/projects/tree_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::TreeController do
diff --git a/spec/controllers/projects/uploads_controller_spec.rb b/spec/controllers/projects/uploads_controller_spec.rb
index cfa67683dd3..776c1270977 100644
--- a/spec/controllers/projects/uploads_controller_spec.rb
+++ b/spec/controllers/projects/uploads_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::UploadsController do
diff --git a/spec/controllers/projects/variables_controller_spec.rb b/spec/controllers/projects/variables_controller_spec.rb
index 8cceda72c28..a2a09e2580f 100644
--- a/spec/controllers/projects/variables_controller_spec.rb
+++ b/spec/controllers/projects/variables_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::VariablesController do
diff --git a/spec/controllers/projects/wikis_controller_spec.rb b/spec/controllers/projects/wikis_controller_spec.rb
index b2f40231796..e0a6fc52ee9 100644
--- a/spec/controllers/projects/wikis_controller_spec.rb
+++ b/spec/controllers/projects/wikis_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::WikisController do