Update pipeline persisted / predefined variables specs

spec/models/ci/build_spec.rb

@@ -1493,6 +1493,7 @@ describe Ci::Build do
     let(:container_registry_enabled) { false }
     let(:predefined_variables) do
       [
+        { key: 'CI_PIPELINE_ID', value: pipeline.id.to_s, public: true },
         { key: 'CI_JOB_ID', value: build.id.to_s, public: true },
         { key: 'CI_JOB_TOKEN', value: build.token, public: false },
         { key: 'CI_BUILD_ID', value: build.id.to_s, public: true },
@@ -1524,7 +1525,6 @@ describe Ci::Build do
         { key: 'CI_PROJECT_NAMESPACE', value: project.namespace.full_path, public: true },
         { key: 'CI_PROJECT_URL', value: project.web_url, public: true },
         { key: 'CI_PROJECT_VISIBILITY', value: 'private', public: true },
-        { key: 'CI_PIPELINE_ID', value: pipeline.id.to_s, public: true },
         { key: 'CI_CONFIG_PATH', value: pipeline.ci_yaml_file_path, public: true },
         { key: 'CI_PIPELINE_SOURCE', value: pipeline.source, public: true },
         { key: 'CI_COMMIT_MESSAGE', value: pipeline.git_commit_message, public: true },

spec/models/ci/pipeline_spec.rb

@@ -181,10 +181,10 @@ describe Ci::Pipeline, :mailer do
     context 'when pipeline is persisted' do
       subject { build_stubbed(:ci_pipeline).persisted_variables }
 
-      it 'does not contain some variables' do
+      it 'does contains persisted variables' do
         keys = subject.map { |variable| variable[:key] }
 
-        expect(keys).to include 'CI_PIPELINE_ID'
+        expect(keys).to eq %w[CI_PIPELINE_ID]
       end
     end
   end
@@ -195,7 +195,11 @@ describe Ci::Pipeline, :mailer do
     it 'includes all predefined variables in a valid order' do
       keys = subject.map { |variable| variable[:key] }
 
-      expect(keys).to eq %w[CI_PIPELINE_ID CI_CONFIG_PATH CI_PIPELINE_SOURCE CI_COMMIT_MESSAGE CI_COMMIT_TITLE CI_COMMIT_DESCRIPTION]
+      expect(keys).to eq %w[CI_CONFIG_PATH
+                            CI_PIPELINE_SOURCE
+                            CI_COMMIT_MESSAGE
+                            CI_COMMIT_TITLE
+                            CI_COMMIT_DESCRIPTION]
     end
   end