diff --git a/tests/test_utils_reprate.py b/tests/test_utils_reprate.py
index 88398bc48..8d6b590e4 100644
--- a/tests/test_utils_reprate.py
+++ b/tests/test_utils_reprate.py
@@ -21,11 +21,12 @@ def test_get_beamline(instrument, expected_beamline):
 
 def test_get_pvname_reprate_for_inferred_beamline():
     """Test the PV name retrieval when using inferred beamline based on IP address."""
-    # Mock the socket to simulate an IP address
     with patch("socket.gethostname", return_value="testhost"), patch("socket.gethostbyname", return_value="129.129.242"):
-        beamline = infer_beamline()
-        pvname = get_pvname_reprate(instrument=None, beamline=beamline)
-        assert pvname == "alvra"
+        beamline = infer_beamline()  # This will return "alvra" based on the IP
+        pvname = get_pvname_reprate(instrument=None, beamline=beamline)  # This should return the PV name associated with 'aramis'
+        expected_pvname = "SIN-TIMAST-TMA:Bunch-1-Exp-Freq-RB"
+        assert pvname == expected_pvname, f"Expected {expected_pvname}, but got {pvname}"
+
 
 @pytest.mark.parametrize("ip,expected_instrument", [
     ("129.129.242", "alvra"),