diff --git a/test/workflows/iptrunk/test_modify_trunk_interface.py b/test/workflows/iptrunk/test_modify_trunk_interface.py
index e7c5d97187954f1366e28e5ae86e5d03e7cee3df..5945be949ccd7c89c7b717719bf5cbfca198f4f6 100644
--- a/test/workflows/iptrunk/test_modify_trunk_interface.py
+++ b/test/workflows/iptrunk/test_modify_trunk_interface.py
@@ -144,10 +144,16 @@ def test_iptrunk_modify_trunk_interface_success(
         len(new_side_a_ae_members) if vendor_side_a == RouterVendor.NOKIA else 0) + (
             len(new_side_b_ae_members) if vendor_side_b == RouterVendor.NOKIA else 0)
 
-    assert mocked_reserve_interface.call_count == num_ifaces
+    # Define free interfaces for only nokia sides
+    num_free_ifaces = 2 * (vendor_side_a == RouterVendor.NOKIA) + 2 * (vendor_side_b == RouterVendor.NOKIA)
+
+    # lag interface for nokia sides
+    num_lag_ifaces = int(vendor_side_a == RouterVendor.NOKIA) + int(vendor_side_b == RouterVendor.NOKIA)
+
+    assert mocked_reserve_interface.call_count == num_ifaces # Only nokia interfaces per side num is randomly generated
     assert mocked_attach_interface_to_lag.call_count == num_ifaces
-    assert mocked_free_interface.call_count == 4  # 2 interfaces per side(The old ones)
-    assert mocked_detach_interfaces_from_lag.call_count == 2  # 1 time per side
+    assert mocked_free_interface.call_count == num_free_ifaces # 2 interfaces per nokia side(The old ones)
+    assert mocked_detach_interfaces_from_lag.call_count == num_lag_ifaces # 1 time per nokia side
 
     # Assert all subscription properties have been updated correctly
     assert subscription.description == f"IP trunk, geant_s_sid:{new_sid}"