Move PipelineEntity to the Ci namespace

PipelineEntity.rb -> Ci::PipelineEntity.rb

app/serializers/README.md

@@ -99,7 +99,7 @@ create a JSON response according to your needs.
 
 ```ruby
 class PipelineSerializer < BaseSerializer
-  entity PipelineEntity
+  entity Ci::PipelineEntity
 
   def represent_details(resource)
     represent(resource, only: [:details])

app/serializers/build_details_entity.rb

@@ -9,7 +9,7 @@ class BuildDetailsEntity < JobEntity
   expose :user, using: UserEntity
   expose :runner, using: RunnerEntity
   expose :metadata, using: BuildMetadataEntity
-  expose :pipeline, using: PipelineEntity
+  expose :pipeline, using: Ci::PipelineEntity
 
   expose :deployment_status, if: -> (*) { build.starts_environment? } do
     expose :deployment_status, as: :status

app/serializers/pipeline_entity.rb → app/serializers/ci/pipeline_entity.rb

 # frozen_string_literal: true
 
-class PipelineEntity < Grape::Entity
+class Ci::PipelineEntity < Grape::Entity
   include RequestAwareEntity
   include Gitlab::Utils::StrongMemoize
 

app/serializers/pipeline_details_entity.rb

 # frozen_string_literal: true
 
-class PipelineDetailsEntity < PipelineEntity
+class PipelineDetailsEntity < Ci::PipelineEntity
   expose :project, using: ProjectEntity
 
   expose :flags do

spec/serializers/pipeline_entity_spec.rb → spec/serializers/ci/pipeline_entity_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe PipelineEntity do
+RSpec.describe Ci::PipelineEntity do
   include Gitlab::Routing
 
   let_it_be(:project) { create(:project) }

spec/serializers/pipeline_details_entity_spec.rb

@@ -10,8 +10,8 @@ RSpec.describe PipelineDetailsEntity do
     described_class.represent(pipeline, request: request)
   end
 
-  it 'inherrits from PipelineEntity' do
-    expect(described_class).to be < PipelineEntity
+  it 'inherits from PipelineEntity' do
+    expect(described_class).to be < Ci::PipelineEntity
   end
 
   before do