Add parent and child pipelines CI files.

1 job for main in 2 seconds (queued for 8 seconds)
Child pipeline (parent) latest
Name Stage Failure
child_job Test
Fetching changes with git depth set to 50...
Initialized empty Git repository in /builds/XUVuMZrD/0/gitlab-qa-sandbox-group/qa-test-2021-09-17-07-55-23-d9f8f170533f93ae/pipelines-dependent-relationship-2c7472f54be03a20/.git/
Created fresh repository.
Checking out 6f78164e as main...

Skipping Git submodules setup
Executing "step_script" stage of the job script
$ exit 1
Cleaning up file based variables
ERROR: Job failed: exit status 1