Fixed testing issues

- Using the latest version of Firefox on Travis
- Requiring Selenium 3.0.1 or later
- Added geckodriver to connect Selenium to Firefox

.travis.yml

@@ -11,6 +11,7 @@ cache:
     - node_modules
     - ecommerce/static/bower_components
 addons:
+    firefox: latest
     apt:
         packages:
             - lcov

Makefile

@@ -57,7 +57,7 @@ validate_js:
 	$(NODE_BIN)/gulp jscs
 
 validate_python: clean
-	REUSE_DB=1 coverage run --branch --source=ecommerce ./manage.py test ecommerce \
+	PATH=$$PATH:$(NODE_BIN) REUSE_DB=1 coverage run --branch --source=ecommerce ./manage.py test ecommerce \
 	--settings=ecommerce.settings.test --with-ignore-docstrings --logging-level=DEBUG
 	coverage report
 	make quality

package.json

@@ -9,6 +9,7 @@
     "requirejs": "^2.1.18"
   },
   "devDependencies": {
+    "geckodriver": "^1.1.3",
     "gulp": "^3.9.0",
     "gulp-jscs": "3.0.0",
     "gulp-jshint": "1.12.0",

requirements/test.txt

@@ -11,6 +11,6 @@ mock-django==0.6.9
 nose-ignore-docstring==0.2
 pep8==1.6.2
 pylint==1.5.0
-selenium>=2.53.1
+selenium>=3.0.1
 testfixtures==4.5.0
 diff-cover==0.9.6