EXPERIMENT 1 try catch log and finally join thread

test/test_execution.py

@@ -211,11 +211,14 @@ def runner() -> int:
     thread.start()
     sleep(0.01)  # make sure the process is started
     ps_command = "ps aux | grep '[s]leep 60.74016230000801'"  # brackets to not match grep process
-    ps_output = subprocess.check_output(ps_command, shell=True).decode()
-    pid = int(ps_output.split()[1])
-    os.kill(pid, signal.SIGTERM)
-
-    thread.join()
+    try:
+        ps_output = subprocess.check_output(ps_command, shell=True).decode()
+        pid = int(ps_output.split()[1])
+        os.kill(pid, signal.SIGTERM)
+    except subprocess.CalledProcessError as e:
+        pytest.fail(f"ps failed for some reason: {e}")
+    finally:
+        thread.join()
     # Cannot retrieve the exit code from the thread, it is written to the file
     with open(os.path.join(temp_output_dir, SUFFIXES["info"])) as info:
         info_data = json.loads(info.read())