Move admin hooks spinach to rspec

https://gitlab.com/gitlab-org/gitlab-ce/issues/23036

changelogs/unreleased/move-admin-hooks-spinach-test-to-rspec.yml

+---
+title: Move admin hooks spinach to rspec
+merge_request: 7942
+author: Semyon Pupkov

features/admin/hooks.feature

-@admin
-Feature: Admin Hooks
-  Background:
-    Given I sign in as an admin
-
-  Scenario: On Admin Hooks
-    Given I visit admin hooks page
-    Then I submit the form with enabled SSL verification
-    And I see new hook with enabled SSL verification
\ No newline at end of file

features/steps/admin/hooks.rb

-class Spinach::Features::AdminHooks < Spinach::FeatureSteps
-  include SharedAuthentication
-  include SharedPaths
-  include SharedAdmin
-
-  step "I submit the form with enabled SSL verification" do
-    fill_in 'hook_url', with: 'http://google.com'
-    check "Enable SSL verification"
-    click_on "Add System Hook"
-  end
-
-  step "I see new hook with enabled SSL verification" do
-    expect(page).to have_content "SSL Verification: enabled"
-  end
-end

spec/features/admin/admin_hooks_spec.rb

@@ -26,16 +26,17 @@ describe "Admin::Hooks", feature: true do
   end
   describe "New Hook" do
-    before do
-      @url = FFaker::Internet.uri("http")
+    let(:url) { FFaker::Internet.uri('http') }
+
+    it 'adds new hook' do
       visit admin_hooks_path
-      fill_in "hook_url", with: @url
-      expect { click_button "Add System Hook" }.to change(SystemHook, :count).by(1)
-    end
-    it "opens new hook popup" do
+      fill_in 'hook_url', with: url
+      check 'Enable SSL verification'
+      expect { click_button 'Add System Hook' }.to change(SystemHook, :count).by(1)
+      expect(page).to have_content 'SSL Verification: enabled'
       expect(current_path).to eq(admin_hooks_path)
-      expect(page).to have_content(@url)
+      expect(page).to have_content(url)
     end
   end