Fixed tests to use messages middleware and flake8

Signed-off-by: Macartur Sousa <macartur.sc@gmail.com>

src/colab_gitlab/widgets/profile/profile.py

@@ -1,5 +1,4 @@
 from django.utils.translation import ugettext_lazy as _
-from django.conf import settings
 from django.contrib import messages
 from colab_gitlab.views import GitlabProxyView, GitlabProfileProxyView
 from colab.widgets.profile_widget import ProfileWidget

tests/test_profile_widget.py

@@ -14,6 +14,7 @@ class WidgetsTest(TestCase):
     def setUp(self):
         self.profile_widget = GitlabProfileWidget()
         self.current_request = HttpRequest()
+        self.current_request.COOKIES['_gitlab_session'] = 'sampleuser'
         self.current_request.method = 'POST'
 
         self.http_response = HttpResponse()