diff --git a/tests/test_utils_opmsg.py b/tests/test_utils_opmsg.py
index 32b536e22..7e2905174 100644
--- a/tests/test_utils_opmsg.py
+++ b/tests/test_utils_opmsg.py
@@ -3,13 +3,14 @@ import time
 import threading
 import pytest
 from morbidissimo import MorIOC
+import os 
 
-from slic.utils.opmsg import (
-    IDS, BEAMLINES, N_MSG_HISTORY,
-    OperationMessageStatus, OperationMessageEntry,
-    OperationMessage, OperationMessages, MachineStatus,
-    clean_name, IDS_INVERSE
-)
+os.environ.setdefault("EPICS_CA_ADDR_LIST", "127.0.0.1")
+os.environ.setdefault("EPICS_CA_AUTO_ADDR_LIST", "NO")
+
+import sys
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
+from slic.utils.opmsg import *
 
 @pytest.fixture(scope="module", autouse=True)
 def run_all_iocs():