FIX: Only group admins can see group edit page.

test/javascripts/models/user-test.js.es6

@@ -1,7 +1,10 @@
-module("Discourse.User");
+import User from 'discourse/models/user';
+import Group from 'discourse/models/group';
+
+module("model:user");
 
 test('staff', function(){
-  var user = Discourse.User.create({id: 1, username: 'eviltrout'});
+  var user = User.create({id: 1, username: 'eviltrout'});
 
   ok(!user.get('staff'), "user is not staff");
 
@@ -13,15 +16,31 @@ test('staff', function(){
 });
 
 test('searchContext', function() {
-  var user = Discourse.User.create({id: 1, username: 'EvilTrout'});
+  var user = User.create({id: 1, username: 'EvilTrout'});
 
   deepEqual(user.get('searchContext'), {type: 'user', id: 'eviltrout', user: user}, "has a search context");
 });
 
 test("isAllowedToUploadAFile", function() {
-  var user = Discourse.User.create({ trust_level: 0, admin: true });
+  var user = User.create({ trust_level: 0, admin: true });
   ok(user.isAllowedToUploadAFile("image"), "admin can always upload a file");
 
   user.setProperties({ admin: false, moderator: true });
   ok(user.isAllowedToUploadAFile("image"), "moderator can always upload a file");
 });
+
+test('canMangeGroup', function() {
+  let user = User.create({ admin: true });
+  let group = Group.create({ automatic: true });
+
+  equal(user.canManageGroup(group), false, "automatic groups cannot be managed.");
+
+  group.set("automatic", false);
+
+  equal(user.canManageGroup(group), true, "an admin should be able to manage the group");
+
+  user.set('admin', false);
+  group.setProperties({ is_group_owner: true });
+
+  equal(user.canManageGroup(group), true, "a group owner should be able to manage the group");
+});