Try to set Travis's TZ to London, instead

.travis.yml

@@ -6,6 +6,9 @@ cache: pip
 addons:
   chrome: stable
   
+before_install:
+  - export TZ=Europe/London
+
 install:
   - |
     latest=$(wget -qO- https://chromedriver.storage.googleapis.com/LATEST_RELEASE)

RIGS/tests/test_functional.py

@@ -24,6 +24,7 @@ from django.core import mail, signing
 from django.http import HttpResponseBadRequest
 from django.conf import settings
 
+
 @screenshot_failure_cls
 class BaseRigboardTest(AutoLoginTest):
     def setUp(self):