Fix chat notification protected branch tests

spec/factories/protected_branches.rb

@@ -2,7 +2,7 @@
 
 FactoryBot.define do
   factory :protected_branch do
-    name
+    sequence(:name) { |n| "protected_branch_#{n}" }
     project
 
     transient do
@@ -11,6 +11,20 @@ FactoryBot.define do
       default_access_level { true }
     end
 
+    trait :create_branch_on_repository do
+      association :project, factory: [:project, :repository]
+
+      transient do
+        repository_branch_name { name }
+      end
+
+      after(:create) do |protected_branch, evaluator|
+        project = protected_branch.project
+
+        project.repository.create_branch(evaluator.repository_branch_name, project.default_branch_or_main)
+      end
+    end
+
     trait :developers_can_push do
       transient do
         default_push_level { false }

spec/models/integrations/microsoft_teams_spec.rb

@@ -304,7 +304,7 @@ RSpec.describe Integrations::MicrosoftTeams do
 
     context 'with protected branch' do
       before do
-        create(:protected_branch, project: project, name: 'a-protected-branch')
+        create(:protected_branch, :create_branch_on_repository, project: project, name: 'a-protected-branch')
       end
 
       let(:pipeline) do

spec/support/shared_examples/models/chat_integration_shared_examples.rb

@@ -113,7 +113,7 @@ RSpec.shared_examples "chat integration" do |integration_name|
 
       context "with protected branch" do
         before do
-          create(:protected_branch, project: project, name: "a-protected-branch")
+          create(:protected_branch, :create_branch_on_repository, project: project, name: "a-protected-branch")
         end
 
         let(:sample_data) do
@@ -309,7 +309,7 @@ RSpec.shared_examples "chat integration" do |integration_name|
 
       context "with protected branch" do
         before do
-          create(:protected_branch, project: project, name: "a-protected-branch")
+          create(:protected_branch, :create_branch_on_repository, project: project, name: "a-protected-branch")
         end
 
         let(:sample_data) do

spec/support/shared_examples/models/concerns/integrations/slack_mattermost_notifier_shared_examples.rb

@@ -305,7 +305,7 @@ RSpec.shared_examples Integrations::SlackMattermostNotifier do |service_name|
 
     context 'on a protected branch' do
       before do
-        create(:protected_branch, project: project, name: 'a-protected-branch')
+        create(:protected_branch, :create_branch_on_repository, project: project, name: 'a-protected-branch')
       end
 
       let(:data) do
@@ -347,7 +347,7 @@ RSpec.shared_examples Integrations::SlackMattermostNotifier do |service_name|
 
     context 'on a protected branch with protected branches defined using wildcards' do
       before do
-        create(:protected_branch, project: project, name: '*-stable')
+        create(:protected_branch, :create_branch_on_repository, repository_branch_name: '1-stable', project: project, name: '*-stable')
       end
 
       let(:data) do
@@ -560,7 +560,7 @@ RSpec.shared_examples Integrations::SlackMattermostNotifier do |service_name|
 
       context 'on a protected branch' do
         before do
-          create(:protected_branch, project: project, name: 'a-protected-branch')
+          create(:protected_branch, :create_branch_on_repository, project: project, name: 'a-protected-branch')
         end
 
         let(:pipeline) do
@@ -590,7 +590,7 @@ RSpec.shared_examples Integrations::SlackMattermostNotifier do |service_name|
 
       context 'on a protected branch with protected branches defined usin wildcards' do
         before do
-          create(:protected_branch, project: project, name: '*-stable')
+          create(:protected_branch, :create_branch_on_repository, repository_branch_name: '1-stable', project: project, name: '*-stable')
         end
 
         let(:pipeline) do