bin/sandbox in solidus_friendly_promotions-1.0.0.rc.3 vs bin/sandbox in solidus_friendly_promotions-1.0.0

@@ -63,9 +63,10 @@
 
 unbundled bundle exec rake db:drop db:create
 
 unbundled bin/rails generate solidus:install \
   --auto-accept \
+  --admin_preview=false \
   $@
 
 unbundled bundle exec rails generate solidus:auth:install --auto-run-migrations
 unbundled bundle exec rails generate ${extension_name}:install --auto-run-migrations