silenced rubocop styling error for timezone setting in spec

Author: davezuckerman

spec/models/closure_spec.rb

@@ -165,7 +165,9 @@ def compare_end_dates(a, b)
 
       after do
         ENV['TZ'] = env_tz_actual
+        # rubocop:disable Rails/TimeZoneAssignment
         Time.zone = rails_tz_actual
+        # rubocop:enable Rails/TimeZoneAssignment
       end
 
       it 'works regardless of the ENV time zone' do