[tests] setup selenium for travis ci

.travis.yml

@@ -44,7 +44,8 @@ matrix:
     - python: "3.8"
       env: REQ="Django>=3.0,<3.1"
 install:
-  - pip install -U pip setuptools coveralls
+  - apt-get install firefox-geckodriver
+  - pip install -U pip setuptools coveralls selenium
   - pip install $REQ
   - pip install --editable .
 script: "coverage run --source more_admin_filters/ tests/manage.py test testapp"

tests/testapp/tests/test_live_filters.py

@@ -4,6 +4,7 @@ from django.contrib.auth.models import User
 from django.urls import reverse
 from django.contrib.staticfiles.testing import StaticLiveServerTestCase
 from selenium.webdriver.firefox.webdriver import WebDriver
+from selenium.webdriver.firefox.options import Options
 
 from ..management.commands.createtestdata import create_test_data
 
@@ -12,7 +13,10 @@ class LiveFilterTest(StaticLiveServerTestCase):
     @classmethod
     def setUpClass(cls):
         super().setUpClass()
-        cls.selenium = WebDriver()
+
+        options = Options()
+        options.headless = True
+        cls.selenium = WebDriver(options=options)
         cls.selenium.implicitly_wait(10)
 
     @classmethod

tox.ini

@@ -19,6 +19,7 @@ deps =
     django21: Django>=2.1,<2.2
     django22: Django>=2.2,<3.0
     django30: Django>=3.0,<3.1
+    selenium
 
 commands = {envpython} tests/manage.py test testapp {posargs}
 setenv = PYTHONPATH = .:{toxworkdir}