If there was a problem with your Workflow configuration it will not have run.
You may be used to looking for jobs (formerly called builds) on the jobs index page:
(VCSTYPE is `gh` or `bb` for GitHub or Bitbucket respectively)
When setting up workflows, you currently have to check your workflows index page to see if there are configuration errors. To get to this page click 'Workflows' on the left pane:
And select your project.