Add test for archive toggle feature

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

CHANGELOG

@@ -12,6 +12,7 @@ v 8.6.0 (unreleased)
   - Allow search for logged out users
   - Don't show Issues/MRs from archived projects in Groups view
   - Increase the notes polling timeout over time (Roberto Dip)
+  - Add ability to show archived projects on dashboard, explore and group pages
 v 8.5.4
   - Do not cache requests for badges (including builds badge)

features/dashboard/archived_projects.feature

@@ -10,3 +10,8 @@ Feature: Dashboard Archived Projects
   Scenario: I should see non-archived projects on dashboard
     Then I should see "Shop" project link
     And I should not see "Forum" project link
+
+  Scenario: I toggle show of archived projects on dashboard
+    When I click "Show archived projects" link
+    Then I should see "Shop" project link
+    And I should see "Forum" project link

features/steps/dashboard/archived_projects.rb

@@ -19,4 +19,8 @@ class Spinach::Features::DashboardArchivedProjects < Spinach::FeatureSteps
   step 'I should see "Forum" project link' do
     expect(page).to have_link "Forum"
   end
+
+  step 'I click "Show archived projects" link' do
+    click_link "Show archived projects"
+  end
 end