Fix Rails/SaveBang Rubocop offenses for commit models

.rubocop_manual_todo.yml

@@ -297,8 +297,6 @@ Rails/SaveBang:
     - 'spec/models/application_record_spec.rb'
     - 'spec/models/application_setting_spec.rb'
     - 'spec/models/clusters/applications/helm_spec.rb'
-    - 'spec/models/commit_spec.rb'
-    - 'spec/models/commit_status_spec.rb'
     - 'spec/models/container_repository_spec.rb'
     - 'spec/models/deploy_keys_project_spec.rb'
     - 'spec/models/deploy_token_spec.rb'

changelogs/unreleased/issue-220040-fix-rails-savebang-commit-models.yml

+---
+title: Fix Rails/SaveBang Rubocop offenses for commit models
+merge_request: 58069
+author: Huzaifa Iftikhar @huzaifaiftikhar
+type: fixed

spec/models/commit_spec.rb

@@ -526,7 +526,7 @@ eos
       context 'that is found' do
         before do
           # Artificially mark as completed.
-          merge_request.update(merge_commit_sha: merge_commit.id)
+          merge_request.update!(merge_commit_sha: merge_commit.id)
         end
 
         it do

spec/models/commit_status_spec.rb

@@ -213,12 +213,12 @@ RSpec.describe CommitStatus do
 
     context 'when it is canceled' do
       before do
-        commit_status.update(status: 'canceled')
+        commit_status.update!(status: 'canceled')
       end
 
       context 'when there is auto_canceled_by' do
         before do
-          commit_status.update(auto_canceled_by: create(:ci_empty_pipeline))
+          commit_status.update!(auto_canceled_by: create(:ci_empty_pipeline))
         end
 
         it 'is auto canceled' do
@@ -660,7 +660,7 @@ RSpec.describe CommitStatus do
       end
 
       it "raise exception when trying to update" do
-        expect { commit_status.save }.to raise_error(ActiveRecord::StaleObjectError)
+        expect { commit_status.save! }.to raise_error(ActiveRecord::StaleObjectError)
       end
     end