Eliminate all of the exceptions when running the tests.

endpoints/api/billing.py

@@ -113,6 +113,9 @@ class UserCard(ApiResource):
   def get(self):
     """ Get the user's credit card. """
     user = get_authenticated_user()
+    if not user:
+      raise Unauthorized()
+
     return get_card(user)
 
   @nickname('setUserCard')
@@ -120,6 +123,9 @@ class UserCard(ApiResource):
   def post(self):
     """ Update the user's credit card. """
     user = get_authenticated_user()
+    if not user:
+      raise Unauthorized()
+
     token = request.get_json()['token']
     response = set_card(user, token)
     log_action('account_change_cc', user.username)
@@ -300,6 +306,9 @@ class UserInvoiceList(ApiResource):
   def get(self):
     """ List the invoices for the current user. """
     user = get_authenticated_user()
+    if not user:
+      raise Unauthorized()
+
     if not user.stripe_id:
       raise NotFound()