failure_formatting_params.yaml:5:3: In project 'missing_params_for_params'
    - project:
      ^
failure_formatting_params.yaml:16:3: In job template 'template-requiring-param-{os}'
    - job-template:
      ^
failure_formatting_params.yaml:9:5: While expanding parameter 'flavor'
        flavor:
        ^
failure_formatting_params.yaml:11:9: While formatting string 'xenial-{bdate}': 'bdate' is undefined
          - xenial-{bdate}
            ^
