Explicitly set the test program exit code to 1 when terraform destroy
fails to delete the infrastructure.
This was observed when GKE clusters failed to delete due to delete
protection enabled by default in the latest version of terraform
provider google.
Signed-off-by: Sunny <darkowlzz@protonmail.com>
Add instructions about how to create service accounts with IAM
permissions and populate the secrets and variables required in the CI.
Update the panic recovery code to ensure that the exit status surfaces
on panic along with a log message.
Signed-off-by: Sunny <darkowlzz@protonmail.com>
