FIX: Display group avatar flair on user page.

test/javascripts/acceptance/groups-test.js.es6

@@ -4,7 +4,9 @@ acceptance("Groups");
 
 test("Browsing Groups", () => {
   visit("/groups/discourse");
+
   andThen(() => {
+    ok(count('.avatar-flair .fa-adjust') === 1, "it displays the group's avatar flair");
     ok(count('.group-members tr') > 0, "it lists group members");
   });
 

test/javascripts/fixtures/group-fixtures.js.es6

@@ -6,7 +6,8 @@ export default {
       "name":"discourse",
       "user_count":8,
       "alias_level":0,
-      "visible":true
+      "visible":true,
+      "flair_url": 'fa-adjust'
     }
   },
   "/groups/discourse/counts.json":{