Merge branch 'spec/lib/gitlab/health_checks' into 'master'

Enable frozen string for spec/lib/gitlab/health_checks

See merge request gitlab-org/gitlab!20570

spec/lib/gitlab/health_checks/db_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 require_relative './simple_check_shared'
 

spec/lib/gitlab/health_checks/gitaly_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::HealthChecks::GitalyCheck do

spec/lib/gitlab/health_checks/master_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 require_relative './simple_check_shared'
 

spec/lib/gitlab/health_checks/puma_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::HealthChecks::PumaCheck do

spec/lib/gitlab/health_checks/redis/cache_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 require_relative '../simple_check_shared'
 

spec/lib/gitlab/health_checks/redis/queues_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 require_relative '../simple_check_shared'
 

spec/lib/gitlab/health_checks/redis/redis_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 require_relative '../simple_check_shared'
 

spec/lib/gitlab/health_checks/redis/shared_state_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 require_relative '../simple_check_shared'
 

spec/lib/gitlab/health_checks/simple_check_shared.rb

+# frozen_string_literal: true
+
 shared_context 'simple_check' do |metrics_prefix, check_name, success_result|
   describe '#metrics' do
     subject { described_class.metrics }

spec/lib/gitlab/health_checks/unicorn_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::HealthChecks::UnicornCheck do