better tests

Author: pablogsal

Lib/test/test_external_inspection.py

@@ -1745,10 +1745,16 @@ def busy():
                                     pass
                         break
 
+                attempts = 10
                 try:
                     unwinder = RemoteUnwinder(p.pid, all_threads=True, cpu_time=True)
-                    time.sleep(0.2)  # Give a bit of time to let threads settle
-                    traces = unwinder.get_stack_trace()
+                    for _ in range(attempts):
+                        traces = unwinder.get_stack_trace()
+                        # Check if any thread is running
+                        if any(thread_info.status == 0 for interpreter_info in traces
+                               for thread_info in interpreter_info.threads):
+                            break
+                        time.sleep(0.5)  # Give a bit of time to let threads settle
                 except PermissionError:
                     self.skipTest(
                         "Insufficient permissions to read the stack trace"