fix(ci): enforce critical test watchdog

.gitea/workflows/build.yml

@@ -114,22 +114,20 @@ jobs:
               print('$ ' + ' '.join(cmd), flush=True)
               process = subprocess.Popen(
                   cmd,
-                  stdout=subprocess.PIPE,
-                  stderr=subprocess.STDOUT,
-                  text=True,
                   start_new_session=use_process_group,
               )
-              try:
-                  output, _ = process.communicate(timeout=120)
-              except subprocess.TimeoutExpired:
-                  print(f'ERROR: timeout ejecutando test critico {path}', file=sys.stderr, flush=True)
-                  kill_process_group(process.pid)
-                  cleanup_flutter_processes()
-                  return 124
-              if output:
-                  print(output, end='', flush=True)
-              cleanup_flutter_processes()
-              return process.returncode
+              deadline = time.monotonic() + 120
+              while True:
+                  returncode = process.poll()
+                  if returncode is not None:
+                      cleanup_flutter_processes()
+                      return returncode
+                  if time.monotonic() >= deadline:
+                      print(f'ERROR: timeout ejecutando test critico {path}', file=sys.stderr, flush=True)
+                      kill_process_group(process.pid)
+                      cleanup_flutter_processes()
+                      return 124
+                  time.sleep(1)
 
           cleanup_flutter_processes()
           for path in test_paths: