Fix Rails/SaveBang offenses

Fixes Rails/SaveBang cop for spec files

.rubocop_todo.yml

@@ -1147,9 +1147,6 @@ Rails/SaveBang:
     - 'spec/requests/api/issues/post_projects_issues_spec.rb'
     - 'spec/requests/api/jobs_spec.rb'
     - 'spec/requests/api/labels_spec.rb'
-    - 'spec/requests/api/maven_packages_spec.rb'
-    - 'spec/requests/api/members_spec.rb'
-    - 'spec/requests/api/merge_request_diffs_spec.rb'
     - 'spec/requests/api/merge_requests_spec.rb'
     - 'spec/requests/api/notes_spec.rb'
     - 'spec/requests/api/pipeline_schedules_spec.rb'

changelogs/unreleased/rails-save-bang-32.yml

+---
+title: Fix Rails/SaveBang offenses for 3 files
+merge_request: 41398
+author: Rajendra Kadam
+type: other

spec/requests/api/maven_packages_spec.rb

@@ -283,7 +283,7 @@ RSpec.describe API::MavenPackages do
 
     context 'internal project' do
       before do
-        group.group_member(user).destroy
+        group.group_member(user).destroy!
         project.update!(visibility_level: Gitlab::VisibilityLevel::INTERNAL)
       end
 

spec/requests/api/members_spec.rb

@@ -258,8 +258,8 @@ RSpec.describe API::Members do
         it 'does not create the member if group level is higher' do
           parent = create(:group)
 
-          group.update(parent: parent)
-          project.update(group: group)
+          group.update!(parent: parent)
+          project.update!(group: group)
           parent.add_developer(stranger)
 
           post api("/#{source_type.pluralize}/#{source.id}/members", maintainer),
@@ -272,8 +272,8 @@ RSpec.describe API::Members do
         it 'creates the member if group level is lower' do
           parent = create(:group)
 
-          group.update(parent: parent)
-          project.update(group: group)
+          group.update!(parent: parent)
+          project.update!(group: group)
           parent.add_developer(stranger)
 
           post api("/#{source_type.pluralize}/#{source.id}/members", maintainer),

spec/requests/api/merge_request_diffs_spec.rb

@@ -8,8 +8,8 @@ RSpec.describe API::MergeRequestDiffs, 'MergeRequestDiffs' do
   let!(:project)       { merge_request.target_project }
 
   before do
-    merge_request.merge_request_diffs.create(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9')
-    merge_request.merge_request_diffs.create(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e')
+    merge_request.merge_request_diffs.create!(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9')
+    merge_request.merge_request_diffs.create!(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e')
     project.add_maintainer(user)
   end