Update tests to pass

db/schema.rb

lib/api/api.rb

lib/api/merge_requests.rb

lib/api/projects.rb

lib/api/v3/builds.rb

lib/api/v3/deployments.rb

lib/api/v3/entities.rb

lib/api/v3/groups.rb

lib/api/v3/merge_request_diffs.rb

lib/api/v3/merge_requests.rb

lib/api/v3/notes.rb

lib/api/v3/project_hooks.rb

lib/api/v3/projects.rb

lib/api/v3/services.rb

spec/requests/api/groups_spec.rb

spec/requests/api/merge_requests_spec.rb

spec/requests/api/project_hooks_spec.rb

spec/requests/api/projects_spec.rb

spec/requests/api/v3/deployments_spec.rb

spec/requests/api/v3/merge_request_diffs_spec.rb