code: def tests(session):
      # Install deps and the package itself.
      session.install(".[cli,api,assets-gcs,assets-s3,assets-az]")
      session.install("-r", "requirements-dev.txt")
  
      session.run("pytest", "--junitxml=junit.xml", "-s")
  
label_desc: Use image node_id 1 for calling a global function with example usage: tests(session) without return types