setup: 
  /path:
    package.json: |
      {
        "workspaces": "stuff"
      }
    packages: 
      /a: 
        package.json: |
          {
            "name": "a"
          }
      /b: 
        package.json: |
          {
            "name": "b"
          }
input: /path
error: No workspaces found