- Updated requirements.

tests/requirements.txt

-ansible==2.2.1.0
-testinfra==1.5.3
-molecule==1.20.0
-ansible-lint==3.4.10
-pre-commit==0.12.2
+ansible==2.3.0.0
+testinfra==1.5.5
+molecule==1.23.2
+ansible-lint==3.4.12
+pre-commit==0.13.6
 python-vagrant==0.5.14
 netaddr==0.7.19
 passlib==1.7.1
-bcrypt==3.1.2
+bcrypt==3.1.3