Update pytest-metadata from 1.3.0 to 1.5.0

Author: pyup-bot

{{cookiecutter.project_slug}}/requirements.txt

@@ -30,7 +30,7 @@ pytest==3.0.7
 pytest-bdd==2.18.2
 pytest-cov==2.4.0
 pytest-html==1.14.2
-pytest-metadata==1.3.0
+pytest-metadata==1.5.0
 pytest-splinter==1.8.1
 pytest-testrail==0.0.11
 pytest-travis-fold==1.2.0