diff --git a/tests/test_cache_fileexecutor_serial.py b/tests/test_cache_fileexecutor_serial.py
index ffc92044..15b5bf44 100644
--- a/tests/test_cache_fileexecutor_serial.py
+++ b/tests/test_cache_fileexecutor_serial.py
@@ -4,6 +4,7 @@
 import shutil
 import unittest
 from threading import Thread
+from time import sleep
 
 try:
     from executorlib.task_scheduler.file.subprocess_spawner import (
@@ -214,6 +215,14 @@ def test_executor_function_dependence_args(self):
         q.put({"shutdown": True, "wait": True})
         process.join()
 
+    def test_execute_in_subprocess(self):
+        process = execute_in_subprocess(
+            command=["sleep", "5"],
+            file_name="test.h5",
+            data_dict={"fn": sleep, "args": (5,)},
+        )
+        self.assertIsNone(terminate_subprocess(task=process))
+
     def test_execute_in_subprocess_errors(self):
         file_name = os.path.abspath(os.path.join(__file__, "..", "executorlib_cache", "test.h5"))
         os.makedirs(os.path.dirname(file_name))