Change failure message of missing job needs

It was not clear before, now we decided to make it self-explanatory

changelogs/unreleased/23531-change-needs-failure-message.yml

+---
+title: Change failure message of missing job needs
+merge_request: 50492
+author:
+type: other

lib/gitlab/ci/pipeline/seed/build.rb

@@ -134,7 +134,7 @@ module Gitlab
                 stage.seeds_names.include?(need[:name])
               end
 
-              "#{name}: needs '#{need[:name]}'" unless result
+              "'#{name}' job needs '#{need[:name]}' job, but it was not added to the pipeline" unless result
             end.compact
           end
 

spec/lib/gitlab/ci/lint_spec.rb

@@ -247,7 +247,7 @@ RSpec.describe Gitlab::Ci::Lint do
         include_context 'advanced validations' do
           it 'runs advanced logical validations' do
             expect(subject).not_to be_valid
-            expect(subject.errors).to eq(["test: needs 'build'"])
+            expect(subject.errors).to eq(["'test' job needs 'build' job, but it was not added to the pipeline"])
           end
         end
 

spec/lib/gitlab/ci/pipeline/seed/build_spec.rb

@@ -966,7 +966,7 @@ RSpec.describe Gitlab::Ci::Pipeline::Seed::Build do
 
       it "returns an error" do
         expect(subject.errors).to contain_exactly(
-          "rspec: needs 'build'")
+          "'rspec' job needs 'build' job, but it was not added to the pipeline")
       end
     end
 

spec/lib/gitlab/ci/pipeline/seed/pipeline_spec.rb

@@ -62,7 +62,8 @@ RSpec.describe Gitlab::Ci::Pipeline::Seed::Pipeline do
           needs_attributes: [{ name: 'non-existent', artifacts: true }]
         }
 
-        expect(seed.errors).to contain_exactly("invalid_job: needs 'non-existent'")
+        expect(seed.errors).to contain_exactly(
+          "'invalid_job' job needs 'non-existent' job, but it was not added to the pipeline")
       end
     end
   end

spec/services/ci/create_pipeline_service/dry_run_spec.rb

@@ -108,7 +108,7 @@ RSpec.describe Ci::CreatePipelineService do
         it_behaves_like 'returns a non persisted pipeline'
 
         it 'returns a pipeline with errors', :aggregate_failures do
-          error_message = "test: needs 'build'"
+          error_message = "'test' job needs 'build' job, but it was not added to the pipeline"
 
           expect(subject.error_messages.map(&:content)).to eq([error_message])
           expect(subject.errors).not_to be_empty

spec/services/ci/create_pipeline_service_spec.rb

@@ -1705,9 +1705,11 @@ RSpec.describe Ci::CreatePipelineService do
         shared_examples 'has errors' do
           it 'contains the expected errors' do
             expect(pipeline.builds).to be_empty
-            expect(pipeline.yaml_errors).to eq("test_a: needs 'build_a'")
-            expect(pipeline.error_messages.map(&:content)).to contain_exactly("test_a: needs 'build_a'")
-            expect(pipeline.errors[:base]).to contain_exactly("test_a: needs 'build_a'")
+
+            error_message = "'test_a' job needs 'build_a' job, but it was not added to the pipeline"
+            expect(pipeline.yaml_errors).to eq(error_message)
+            expect(pipeline.error_messages.map(&:content)).to contain_exactly(error_message)
+            expect(pipeline.errors[:base]).to contain_exactly(error_message)
           end
         end