Merge branch 'rs-empty_project-models' into 'master'

spec/models/ability_spec.rb

spec/models/ci/build_spec.rb

spec/models/ci/pipeline_spec.rb

spec/models/ci/runner_spec.rb

spec/models/commit_range_spec.rb

spec/models/commit_spec.rb

spec/models/commit_status_spec.rb

spec/models/compare_spec.rb

spec/models/concerns/issuable_spec.rb

spec/models/concerns/mentionable_spec.rb

spec/models/concerns/milestoneish_spec.rb

spec/models/concerns/project_features_compatibility_spec.rb

spec/models/cycle_analytics/code_spec.rb

spec/models/cycle_analytics/issue_spec.rb

spec/models/cycle_analytics/plan_spec.rb

spec/models/cycle_analytics/production_spec.rb

spec/models/cycle_analytics/review_spec.rb

spec/models/cycle_analytics/staging_spec.rb

spec/models/cycle_analytics/test_spec.rb

spec/models/deploy_keys_project_spec.rb