Issue #3293400: Fix the Varbase welcome message. After having a look at the screenshot when failed

tests/features/varbase/01-website-base-requirements/01-00-varbase-welcome-tour.feature

@@ -4,7 +4,7 @@ The welcome message is made possible by having Varbase Tour module
   @javascript @local @development @staging @production
   Scenario: Check if welcome message is enabled
     Given I am a logged in user with the "webmaster" user
-      And I go to "admin/config/varbase/settings"
+      And I go to "/admin/config/varbase/settings"
      Then I should see "Varbase general settings"
       And I should see "Allow site to show welcome message"
       And I check the box "Allow site to show welcome message"
@@ -15,9 +15,11 @@ The welcome message is made possible by having Varbase Tour module
   @javascript @local @development @staging @production
   Scenario: Check if welcome message and tour are displayed
     Given I am a logged in user with the "webmaster" user
-      And I go to "?welcome"
+      And I go to "/?welcome"
+      And I wait 2 seconds
+      And I scroll to the bottom
      Then I should see "Welcome to "
-      And I should see " Get started "
+      And I should see "Get started"
      When I click "Get started"
       And I wait 2 seconds
      Then I should see "Tour Switch"
@@ -33,7 +35,7 @@ The welcome message is made possible by having Varbase Tour module
   @javascript @local @development @staging @production
   Scenario: Check if welcome message is disabled after closing it
     Given I am a logged in user with the "webmaster" user
-      And I go to "admin/config/varbase/settings"
+      And I go to "/admin/config/varbase/settings"
      Then I should see "Varbase general settings"
       And I should see "Allow site to show welcome message"
       And the "Allow site to show welcome message" checkbox is unchecked

tests/features/varbase/04-content-structure/04-08-landing-page-layout-builder_check-to-add-sections-and-choose-layouts-for-sections.feature

@@ -34,8 +34,7 @@ So that the "Landing (Layout Builder) page" will show up having the listed secti
       And I should not see "Bootstrap 10 Cols"
       And I should not see "Bootstrap 11 Cols"
       And I should not see "Bootstrap 12 Cols"
-      And I scroll to the top of the page
-      And I wait 1s
+     When I scroll to the top of the page
      Then I should see "Save layout"
      When I press the "Save layout" button
       And I wait

tests/features/varbase/04-content-structure/04-10-landing-page-section-configurations.feature

@@ -63,6 +63,7 @@ As a site admin, I will create a new landing page, add a section with different
      Then I should see "Test Rich text in 2 cols section, col 2" 
 
      When I scroll to the top of the page
+      And I wait 2s
      Then I should see "Save layout"
       And I press the "Save layout" button
       And I wait