Fix Rails/SaveBang offenses

Fixes Rails/SaveBang cop for spec files in spec/lib/gitlab/git/*

.rubocop_todo.yml

@@ -949,9 +949,6 @@ Rails/SaveBang:
     - 'spec/lib/gitlab/email/handler/create_note_handler_spec.rb'
     - 'spec/lib/gitlab/email/handler/unsubscribe_handler_spec.rb'
     - 'spec/lib/gitlab/gfm/reference_rewriter_spec.rb'
-    - 'spec/lib/gitlab/git/object_pool_spec.rb'
-    - 'spec/lib/gitlab/git/remote_mirror_spec.rb'
-    - 'spec/lib/gitlab/git/repository_spec.rb'
     - 'spec/lib/gitlab/git_access_spec.rb'
     - 'spec/lib/gitlab/gitaly_client/object_pool_service_spec.rb'
     - 'spec/lib/gitlab/gitaly_client/repository_service_spec.rb'

changelogs/unreleased/rails-save-bang-37.yml

+---
+title: Fixes Rails/SaveBang cop for spec files in spec/lib/gitlab/git/*
+merge_request: 43013
+author: Rajendra Kadam
+type: other

spec/lib/gitlab/git/object_pool_spec.rb

@@ -19,7 +19,7 @@ RSpec.describe Gitlab::Git::ObjectPool do
 
   describe '#create' do
     before do
-      subject.create
+      subject.create # rubocop:disable Rails/SaveBang
     end
 
     context "when the pool doesn't exist yet" do
@@ -31,7 +31,7 @@ RSpec.describe Gitlab::Git::ObjectPool do
     context 'when the pool already exists' do
       it 'raises an FailedPrecondition' do
         expect do
-          subject.create
+          subject.create # rubocop:disable Rails/SaveBang
         end.to raise_error(GRPC::FailedPrecondition)
       end
     end

spec/lib/gitlab/git/remote_mirror_spec.rb

@@ -16,7 +16,7 @@ RSpec.describe Gitlab::Git::RemoteMirror do
         .to receive(:update_remote_mirror)
         .with(ref_name, ['master'], ssh_key: 'KEY', known_hosts: 'KNOWN HOSTS', keep_divergent_refs: true)
 
-      remote_mirror.update
+      remote_mirror.update # rubocop:disable Rails/SaveBang
     end
 
     it 'wraps gitaly errors' do
@@ -24,7 +24,7 @@ RSpec.describe Gitlab::Git::RemoteMirror do
         .to receive(:update_remote_mirror)
         .and_raise(StandardError)
 
-      expect { remote_mirror.update }.to raise_error(StandardError)
+      expect { remote_mirror.update }.to raise_error(StandardError) # rubocop:disable Rails/SaveBang
     end
   end
 end

spec/lib/gitlab/git/repository_spec.rb

@@ -2079,7 +2079,7 @@ RSpec.describe Gitlab::Git::Repository, :seed_helper do
     let(:object_pool_rugged) { Rugged::Repository.new(object_pool_path) }
 
     before do
-      object_pool.create
+      object_pool.create # rubocop:disable Rails/SaveBang
     end
 
     it 'does not raise an error when disconnecting a non-linked repository' do