Revert "Turn off CATS in ci"
Revert "Turn off CATS in ci"

This reverts commit 9a3e06227929b94b1d188052309dc2537a1bb9c7.

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf