fix group:people tests after prev commit

features/group/group.feature

@@ -19,6 +19,7 @@ Feature: Groups
     When I visit group merge requests page
     Then I should see merge requests from this group assigned to me
+  @javascript
   Scenario: I should add user to projects in Group
     Given I have new user "John"
     When I visit group people page

features/steps/group/group.rb

 class Groups < Spinach::FeatureSteps
   include SharedAuthentication
   include SharedPaths
+  include Select2Helper
   Then 'I should see projects list' do
     current_user.authorized_projects.each do |project|
@@ -39,7 +40,7 @@ class Groups < Spinach::FeatureSteps
   And 'I select user "John" from list with role "Reporter"' do
     user = User.find_by_name("John")
     within "#new_team_member" do
-      select user.name, from: "user_ids"
+      select2(user.id, from: "#user_ids", multiple: true)
       select "Reporter", from: "project_access"
     end
     click_button "Add"