♻️ Refactor project structure by removing scattered Python test scripts

subprocess_tests/subprocess_background_open_test.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+
+import os
+import subprocess
+
+if __name__ == "__main__":
+    subprocess.Popen(
+        ['sleep', '50'],
+        stdout=subprocess.DEVNULL,
+        stderr=subprocess.DEVNULL,
+        preexec_fn=os.setpgrp  # 让子进程独立，即使当前脚本挂了它也继续运行 for Linux/Unix/MacOS
+    )
+    # for Windows
+    # flags = 0x00000008 | 0x00000200
+    # process = subprocess.Popen(
+    #     ["cmd", "/c", "your_script.bat"],
+    #     stdout=subprocess.DEVNULL,
+    #     stderr=subprocess.DEVNULL,
+    #     creationflags=flags
+    # )