It fails when use all severity types in "--allure-severities" option #261
Description
I'm submitting a ...
- bug report
- feature request
- support request => Please do not submit support request here, see note at the top of this template.
What is the current behavior?
If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem
What is the expected behavior?
What is the motivation / use case for changing the behavior?
Please tell us about your environment:
- Allure version: 2.1.0
- Test framework: pytest@3.0
- Allure adaptor: allure-pytest@2.0.0b1