fix serial tests

Author: jan-janssen

tests/unit/task_scheduler/file/test_serial.py

@@ -74,15 +74,15 @@ def test_executor_dependence_error(self):
                 fs.result()
 
     def test_executor_working_directory(self):
-        cwd = os.path.join(os.path.dirname(__file__), "..", "..", "executables")
+        cwd = os.path.join(os.path.dirname(__file__), "..", "..", "..", "static")
         with FileTaskScheduler(
             resource_dict={"cwd": cwd}, execute_function=execute_in_subprocess
         ) as exe:
             fs1 = exe.submit(list_files_in_working_directory)
             self.assertEqual(fs1.result(), os.listdir(cwd))
 
     def test_executor_error(self):
-        cwd = os.path.join(os.path.dirname(__file__), "..", "..", "executables")
+        cwd = os.path.join(os.path.dirname(__file__), "..", "..", "..", "static")
         with FileTaskScheduler(
             resource_dict={"cwd": cwd}, execute_function=execute_in_subprocess
         ) as exe:
@@ -92,7 +92,7 @@ def test_executor_error(self):
         self.assertEqual(len(os.listdir(cwd)), 1)
 
     def test_executor_error_file(self):
-        cwd = os.path.join(os.path.dirname(__file__), "..", "..", "executables")
+        cwd = os.path.join(os.path.dirname(__file__), "..", "..", "..", "static")
         with FileTaskScheduler(
             resource_dict={"cwd": cwd, "error_log_file": "error.out"},
             execute_function=execute_in_subprocess