Mistral workflow fully qualified action name error

[jinpingh]

st2 --version st2 3.0.0, on Python 2.7.6

Created and saved a new mistral workflow with name test_mistral_wf. Execution failed on error message Name of the workflow must be the same as the fully qualified action name "examples.test_mistral_wf"

/opt/stackstorm/packs/examples/actions/test_mistral_wf.meta.yaml
pack: examples
enabled: true
runner_type: mistral-v2
name: test_mistral_wf
entry_point: workflows/test_mistral_wf.yaml

/opt/stackstorm/packs/examples/actions/workflows/test_mistral_wf.yaml
version: '2.0'
main:
  tasks:
    # [246, 304]
    task1:
      action: core.echo
      input:
        message: hello