def make_yaml_content(id_, version):
    """Generate some test yaml content

    Args:
      id_: the benchmark id_ (e.g. "8a")
      version: the version (e.g. "1")

    Returns:
      yaml result content as string
    """
    return f"""
---
benchmark:
  id: {id_}
  version: {version}
metadata:
  implementation:
    name: code_name
  author:
    first: first
    last: last
  timestamp: 2021-12-07
data:
  - name: free_energy
    type: line
    values:
      - x: 0.0
        y: 0.0
        z: 0.0
      - x: 1.0
        y: 1.0
        z: 1.0
    transform:
      - type: formula
        expr: datum.x
        as: a
      - type: formula
        expr: datum.y * 2
        as: b
"""