Merge branch 'rubocop-for-tests' into 'master'

.rubocop.yml

features/steps/dashboard/dashboard.rb

features/steps/dashboard/event_filters.rb

features/steps/explore/projects.rb

features/steps/project/snippets.rb

features/steps/shared/admin.rb

features/steps/shared/issuable.rb

features/steps/shared/paths.rb

features/steps/shared/user.rb

features/steps/snippets/snippets.rb

spec/controllers/blob_controller_spec.rb

spec/controllers/branches_controller_spec.rb

spec/controllers/commit_controller_spec.rb

spec/controllers/commits_controller_spec.rb

spec/controllers/help_controller_spec.rb

spec/controllers/import/bitbucket_controller_spec.rb

spec/controllers/import/github_controller_spec.rb

spec/controllers/import/gitlab_controller_spec.rb

spec/controllers/profiles/preferences_controller_spec.rb

spec/controllers/projects/compare_controller_spec.rb