Move server responding check to scenario before hook

This checks that the server is responding before any other actions,
including before trying to add a license.

qa/qa/ce/strategy.rb

@@ -8,7 +8,10 @@ module QA
       end
 
       def perform_before_hooks
-        # noop
+        # The login page could take some time to load the first time it is visited.
+        # We visit the login page and wait for it to properly load only once before the tests.
+        QA::Runtime::Browser.visit(:gitlab, QA::Page::Main::Login)
+        QA::Page::Main::Login.perform(&:assert_page_loaded)
       end
     end
   end

qa/qa/ee/strategy.rb

@@ -11,6 +11,10 @@ module QA
         return unless ENV['EE_LICENSE']
 
         QA::Runtime::Browser.visit(:gitlab, QA::Page::Main::Login) do
+          # The login page could take some time to load the first time it is visited.
+          # We visit the login page and wait for it to properly load only once before the tests.
+          QA::Page::Main::Login.perform(&:assert_page_loaded)
+
           EE::Resource::License.fabricate!(ENV['EE_LICENSE'])
         end
       end

qa/qa/page/main/login.rb

@@ -40,6 +40,12 @@ module QA
           element :login_page
         end
 
+        def assert_page_loaded
+          unless page_loaded?
+            raise QA::Runtime::Browser::NotRespondingError, "Login page did not load at #{QA::Page::Main::Login.perform(&:current_url)}"
+          end
+        end
+
         def page_loaded?
           wait(max: 60) do
             has_element?(:login_page)

qa/qa/runtime/browser.rb

@@ -9,6 +9,8 @@ module QA
     class Browser
       include QA::Scenario::Actable
 
+      NotRespondingError = Class.new(RuntimeError)
+
       def initialize
         self.class.configure!
       end

qa/spec/spec_helper.rb

@@ -5,20 +5,6 @@ require_relative '../qa'
 end
 
 RSpec.configure do |config|
-  ServerNotRespondingError = Class.new(RuntimeError)
-
-  # The login page could take some time to load the first time it is visited.
-  # We visit the login page and wait for it to properly load only once at the beginning of the suite.
-  config.before(:suite) do
-    if QA::Runtime::Scenario.respond_to?(:gitlab_address)
-      QA::Runtime::Browser.visit(:gitlab, QA::Page::Main::Login)
-
-      unless QA::Page::Main::Login.perform(&:page_loaded?)
-        raise ServerNotRespondingError, "Login page did not load at #{QA::Page::Main::Login.perform(&:current_url)}"
-      end
-    end
-  end
-
   config.before(:context) do
     if self.class.metadata.keys.include?(:quarantine)
       skip_or_run_quarantined_tests(self.class.metadata.keys, config.inclusion_filter.rules.keys)