Enable RSpec/NotToNot cop and auto-correct offensesrs-rubocop-nottonot

Also removes the note from the development/testing.md guide

1 files changed, 2 insertions, 2 deletions

diff --git a/spec/services/issues/create_service_spec.rb b/spec/services/issues/create_service_spec.rb
index 6aa0a89f893..1ee9f3aae4d 100644
--- a/spec/services/issues/create_service_spec.rb
+++ b/spec/services/issues/create_service_spec.rb
@@ -55,7 +55,7 @@ describe Issues::CreateService, services: true do
         end
 
         it 'does not assign label' do
-          expect(issue.labels).to_not include label
+          expect(issue.labels).not_to include label
         end
       end
 
@@ -69,7 +69,7 @@ describe Issues::CreateService, services: true do
         end
 
         it 'does not assign milestone' do
-          expect(issue.milestone).to_not eq milestone
+          expect(issue.milestone).not_to eq milestone
         end
       end
     end