missing_param_in_j2_yaml.yaml:10:3: In project 'sample-project'
    - project:
      ^
missing_param_in_j2_yaml.yaml:1:3: In job template 'sample-job'
    - job-template:
      ^
missing_param_in_j2_yaml.yaml:3:15: While formatting jinja2 template '- shell:\n    command: |\n      #!/bin/bas...'
        builders: !j2-yaml: |
                  ^
missing_param_in_j2_yaml.yaml:8:13: 'unknown_one' is undefined
                echo "hello, {{ unknown_one }}!"
                ^
