tests: Preliminary tests for Kerberos/LDAP auth

.travis.yml

@@ -14,7 +14,7 @@ install:
   - echo "127.0.0.1 www.example.lan www" | sudo tee -a /etc/hosts
   - sudo mkdir -p /etc/systemd/system
   - sudo pip install -r requirements.txt
-  - sudo pip install codecov pytest-cov
+  - sudo pip install codecov pytest-cov requests-kerberos
   - sudo pip install -e .
 script:
   - sudo find /home/ -type d -exec chmod 755 {} \; # Allow certidude serve to read templates