Merge pull request rails#51537 from yahonda/diag_rails_nightly_391

Address `Rails::Command::HelpIntegrationTest` failure against ruby 3.4.0dev

Author: yahonda

railties/test/command/help_integration_test.rb

@@ -34,7 +34,7 @@ class Rails::Command::HelpIntegrationTest < ActiveSupport::TestCase
     help = rails "dev:help"
     output = rails "dev", allow_failure: true
 
-    assert_equal help, output
+    assert_match help, output
   end
 
   test "prints Rake tasks on --tasks / -T option" do