setup in pg_ha_migrations-1.2.4

- old
+ new

@@ -2,9 +2,10 @@
 set -euo pipefail
 IFS=$'\n\t'
 set -vx
 
 bundle install
+bundle exec appraisal install
 
 # Do any other automated setup that you need to do here
 
 # Launch a blank postgres image for testing
 docker run -d -p 127.0.0.1:5432:5432 postgres:10