Add spec suffix to merge_request_with_sast.rb

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

spec/ee/spec/features/projects/merge_requests/merge_request_with_sast.rb → spec/ee/spec/features/projects/merge_requests/merge_request_with_sast_spec.rb

@@ -40,4 +40,4 @@ describe 'Merge request with sast', :js do
     expect(page).to have_content('message name goes here')
     expect(page).to have_content('file name goes here')
   end
-end
\ No newline at end of file
+end