diff --git a/test/workflows/iptrunk/test_modify_trunk_interface.py b/test/workflows/iptrunk/test_modify_trunk_interface.py
index cf6c39a4570059332ed6711fee488f7e8c0ee653..4160f954de4f1ed113f7e03424ce41ceb1efc116 100644
--- a/test/workflows/iptrunk/test_modify_trunk_interface.py
+++ b/test/workflows/iptrunk/test_modify_trunk_interface.py
@@ -95,10 +95,24 @@ def test_iptrunk_modify_trunk_interface_success(
     assert subscription.iptrunk.iptrunk_type == new_type
     assert subscription.iptrunk.iptrunk_speed == new_speed
     assert subscription.iptrunk.iptrunk_minimum_links == new_link_count
-    #  FIXME: update assertions below when IPtrunk model is updated
-    # assert subscription.iptrunk.iptrunk_sides[0].iptrunk_side_ae_geant_a_sid == new_side_a_sid
-    # assert subscription.iptrunk.iptrunk_sides[0].iptrunk_side_ae_members == new_side_a_ae_members
-    # assert subscription.iptrunk.iptrunk_sides[0].iptrunk_side_ae_members_description == new_side_a_ae_descriptions
-    # assert subscription.iptrunk.iptrunk_sides[1].iptrunk_side_ae_geant_a_sid == new_side_b_sid
-    # assert subscription.iptrunk.iptrunk_sides[1].iptrunk_side_ae_members == new_side_b_ae_members
-    # assert subscription.iptrunk.iptrunk_sides[1].iptrunk_side_ae_members_description == new_side_b_ae_descriptions
+    assert subscription.iptrunk.iptrunk_sides[0].iptrunk_side_ae_geant_a_sid == new_side_a_sid
+
+    def _find_interface_by_name(interfaces: list[dict[str, str]], name: str):
+        for interface in interfaces:
+            if interface["interface_name"] == name:
+                return interface
+        raise IndexError(f"Interface {name} not found!")
+
+    for member in subscription.iptrunk.iptrunk_sides[0].iptrunk_side_ae_members:
+        assert (
+            member.interface_description
+            == _find_interface_by_name(new_side_a_ae_members, member.interface_name)["interface_description"]
+        )
+
+    assert subscription.iptrunk.iptrunk_sides[1].iptrunk_side_ae_geant_a_sid == new_side_b_sid
+
+    for member in subscription.iptrunk.iptrunk_sides[1].iptrunk_side_ae_members:
+        assert (
+            member.interface_description
+            == _find_interface_by_name(new_side_b_ae_members, member.interface_name)["interface_description"]
+        )