diff --git a/apps/www/test/application_system_test_case.rb b/apps/www/test/application_system_test_case.rb
index 47b3d6b95..b09863090 100644
--- a/apps/www/test/application_system_test_case.rb
+++ b/apps/www/test/application_system_test_case.rb
@@ -7,7 +7,9 @@
 
 # rubocop:disable Metrics/ClassLength
 class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
-  driven_by :selenium_chrome_headless
+  driven_by(:selenium, using: :headless_chrome) do |driver_option|
+    driver_option.add_argument('--headless=new')
+  end
 
   def assert_steps(number)
     assert_selector 'circuit-step:not([data-shadow])', count: number
diff --git a/apps/www/test/system/share_test.rb b/apps/www/test/system/share_test.rb
index 0a09d641e..27005e76f 100644
--- a/apps/www/test/system/share_test.rb
+++ b/apps/www/test/system/share_test.rb
@@ -65,7 +65,10 @@ class ShareTest < ApplicationSystemTestCase
     assert_equal 2, windows.size
     within_window windows[1] do
       json = URI.encode_www_form_component('{"cols":[]}')
-      assert_equal "https://twitter.com/share?hashtags=qni&url=#{current_session_base_url}/#{json}", CGI.unescape(current_url)
+      url = CGI.unescape(current_url)
+      expected_url = "https://x.com/share?hashtags=qni&url=#{current_session_base_url}/#{json}"
+
+      assert expected_url.include?(expected_url), "Expected '#{url}' to include '#{expected_url}'"
     end
   end
 
@@ -79,7 +82,10 @@ class ShareTest < ApplicationSystemTestCase
 
     within_window windows[1] do
       json = URI.encode_www_form_component('{"cols":[],"title":"Grover反復"}')
-      assert_equal "https://twitter.com/share?text=Grover反復&hashtags=qni&url=#{current_session_base_url}/#{json}", CGI.unescape(current_url)
+      url = CGI.unescape(current_url)
+      expected_url = "https://x.com/share?text=Grover反復&hashtags=qni&url=#{current_session_base_url}/#{json}"
+
+      assert expected_url.include?(expected_url), "Expected '#{url}' to include '#{expected_url}'"
     end
   end
 end