fix: 校验顺序改路径字典序(显示直观) + 测试时序稳定性

tests/test_transfer.py

@@ -2,6 +2,7 @@
 import re
 import os
 import subprocess
+import time
 import sys
 
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
@@ -328,6 +329,11 @@ def test_pause_sends_sigstop(tmp_path):
     r.proc = p
     r.pause()
     assert r._paused is True
+    # SIGSTOP 异步生效, 等待状态变 T
+    for _ in range(20):
+        if _proc_state(p.pid) == "T":
+            break
+        time.sleep(0.05)
     assert _proc_state(p.pid) == "T"  # T = stopped
     p.kill()
     p.wait()