fix(rubocop): add fixes using rubocop --safe-auto-correct

Author: myii

test/integration/default/controls/config_spec.rb

@@ -1,4 +1,5 @@
+# frozen_string_literal: true
+
 control 'iscsi configuration' do
   title 'should match desired lines'
-
 end

test/integration/default/controls/packages_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Overide by OS
 control 'template package' do
   title 'should be installed'

test/integration/default/controls/services_spec.rb

@@ -1,6 +1,7 @@
+# frozen_string_literal: true
+
 # Overide by OS
 control 'iscsi service' do
   impact 0.5
   title 'should be running and enabled'
-
 end

test/integration/default/controls/subcomponent_config_spec.rb

@@ -1,4 +1,5 @@
+# frozen_string_literal: true
+
 control 'iscsi subcomponent configuration' do
   title 'should match desired lines'
-
 end