config:
    browsers:
        - {browser-1}
        ...
        - {browser-N}
    url: {url}

{step-name-1}:
    {step}
...
{step-name-N}
    {step}

----------------------

browser-*:
    <string>

url:
    <url>

step-name-*:
    <string>

step:
    actions:
      - {action-1}
      ...
      - {action-N}

    assertions:
      - {assertion-1}
      ...
      - {assertion-N}

action-*:
    <action>

assertion-*:
    <assertion>