fix tests and improve workflow

[8naama]

this PR closes: #10

• Squash all commits from dev-workflows to separate deploy.yaml and tests.yaml workflows
• Replace httpreety with responses
  • caused unnecessary errors due to open issue 466 in the package
  • had issue testing locally due to urllib3 version issue in mac
  • easier to troubleshoot - errors are more detailed
• Fix deadlock in the shipping tests
  • add test parameter as true/false to APIManager to stop shipping and fill the queue before the process is killed and queue doesn't get filled up
  • change queue.get() >> queue.get(False)