(maint) Handle Cygwin 3

In Cygwin 3, `ps -efW` returns the Cygwin PID which cannot be passed to
taskkill, so this test had no chance of cleaning up correctly on Windows 11.
Updated to use WMI instead, as is done in pxp-agent.

Author: joshcooper

acceptance/tests/resource/exec/should_run_bad_command.rb

@@ -27,14 +27,14 @@ def stop_sleep_process(targets, accept_no_pid_found = false)
     when /osx/
       command = "ps -e -o pid,comm | grep sleep | sed 's/^[^0-9]*//g' | cut -d\\  -f1"
     when /win/
-      command = "ps -efW | grep PING | sed 's/^[^0-9]*[0-9]*[^0-9]*//g' | cut -d ' ' -f1"
+      command = "cmd.exe /C WMIC path win32_process WHERE Name=\\\"PING.EXE\\\" get ProcessId | egrep -o '[0-9]+\\s*$'"
     else
       command = "ps -ef | grep 'bin/sleep ' | grep -v 'grep' | grep -v 'true' | sed 's/^[^0-9]*//g' | cut -d\\  -f1"
     end
 
     # A failed test may leave an orphaned sleep process, handle multiple matches.
     pids = nil
-    on(target, command) do |output|
+    on(target, command, accept_all_exit_codes: accept_no_pid_found) do |output|
       pids = output.stdout.chomp.split
       if pids.empty? && !accept_no_pid_found
         raise("Did not find a pid for a sleep process on #{target}")