Wait for the first enterprise tab to be loaded

spec/features/admin/tag_rules_spec.rb

@@ -237,6 +237,7 @@ feature 'Tag Rules', js: true do
   def visit_tag_rules
     login_to_admin_section
     visit main_app.edit_admin_enterprise_path(enterprise)
+    expect(page).to have_content "PRIMARY DETAILS"
     click_link "Tag Rules"
   end
 end