Add tests for remove group member feature in admin area

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/groups/group_members_controller.rb

@@ -19,6 +19,7 @@ def update
 
   def destroy
     @users_group = @group.group_members.find(params[:id])
+
     if can?(current_user, :destroy, @users_group)  # May fail if last owner.
       @users_group.destroy
       respond_to do |format|

app/views/admin/groups/show.html.haml

@@ -74,7 +74,7 @@
       %ul.well-list.group-users-list
         - @members.each do |member|
           - user = member.user
-          %li{class: dom_class(user)}
+          %li{class: dom_class(member), id: dom_id(user)}
             .list-item-name
               %strong
                 = link_to user.name, admin_user_path(user)

features/admin/groups.feature

@@ -20,3 +20,10 @@ Feature: Admin Groups
     When I visit admin group page
     When I select user "John Doe" from user list as "Reporter"
     Then I should see "John Doe" in team list in every project as "Reporter"
+
+  @javascript
+  Scenario: Remove user from group
+    Given we have user "John Doe" in group
+    When I visit admin group page
+    And I remove user "John Doe" from group
+    Then I should not see "John Doe" in team list

features/steps/admin/groups.rb

@@ -37,8 +37,7 @@ class Spinach::Features::AdminGroups < Spinach::FeatureSteps
   end
 
   When 'I select user "John Doe" from user list as "Reporter"' do
-    user = User.find_by(name: "John Doe")
-    select2(user.id, from: "#user_ids", multiple: true)
+    select2(user_john.id, from: "#user_ids", multiple: true)
     within "#new_team_member" do
       select "Reporter", from: "access_level"
     end
@@ -58,9 +57,29 @@ class Spinach::Features::AdminGroups < Spinach::FeatureSteps
     end
   end
 
+  step 'we have user "John Doe" in group' do
+    current_group.add_user(user_john, Gitlab::Access::REPORTER)
+  end
+
+  step 'I remove user "John Doe" from group' do
+    within "#user_#{user_john.id}" do
+      click_link 'Remove user from group'
+    end
+  end
+
+  step 'I should not see "John Doe" in team list' do
+    within ".group-users-list" do
+      page.should_not have_content "John Doe"
+    end
+  end
+
   protected
 
   def current_group
     @group ||= Group.first
   end
+
+  def user_john
+    @user_john ||= User.find_by(name: "John Doe")
+  end
 end