E2E: Raise error on failure to add license key

qa/qa/ee/page/admin/license.rb

@@ -25,11 +25,11 @@ module QA
           end
 
           def add_new_license(key)
-            raise 'License key empty!' if key.to_s.empty?
+            raise 'License key empty!' if key.to_s.strip.empty?
 
             click_element(:license_upload_link)
             choose_element(:license_type_key_radio)
-            fill_element(:license_key_field, key)
+            fill_element(:license_key_field, key.strip)
             check_element(:accept_eula_checkbox)
             click_element(:license_upload_button)
           end

qa/qa/ee/page/admin/subscription.rb

+# frozen_string_literal: true
+
+module QA
+  module EE
+    module Page
+      module Admin
+        class Subscription < QA::Page::Base
+          view 'ee/app/assets/javascripts/admin/subscriptions/show/components/subscription_details_table.vue' do
+            element :plan, ':data-qa-selector="qaSelectorValue(item)"' # rubocop:disable QA/ElementWithPattern
+          end
+
+          def has_ultimate_subscription_plan?
+            has_element?(:plan, text: 'Ultimate')
+          end
+        end
+      end
+    end
+  end
+end

qa/qa/ee/resource/license.rb

@@ -17,6 +17,13 @@ module QA
             end
           end
 
+          unless EE::Page::Admin::Subscription.perform(&:has_ultimate_subscription_plan?)
+            license_length = license.to_s.strip.length
+            license_info = "License key length: #{license_length}. " + (license_length > 5 ? "Last five characters: #{license.to_s.strip[-5..]}" : "")
+
+            raise "Adding license key was unsuccessful. #{license_info}"
+          end
+
           QA::Page::Main::Menu.perform(&:sign_out_if_signed_in)
         end
       end