Merge pull request rails#52943 from yahonda/syntax_error_or_syntax_errors_found

Address `DebugExceptionsTest` failures against Ruby with Prism parser

Author: rafaelfranca

actionpack/test/dispatch/debug_exceptions_test.rb

@@ -722,7 +722,7 @@ def self.build_app(app, *args)
 
     assert_response 500
     assert_select "#Application-Trace-0" do
-      assert_select "code", /syntax error, unexpected/
+      assert_select "code", /syntax error, unexpected|syntax errors found/
     end
   end
 
@@ -749,7 +749,7 @@ def self.build_app(app, *args)
 
     assert_response 500
     assert_select "#Application-Trace-0" do
-      assert_select "code", /syntax error, unexpected/
+      assert_select "code", /syntax error, unexpected|syntax errors found/
     end
     assert_match %r{Showing <i>.*test/dispatch/debug_exceptions_test.rb</i>}, body
   end