Update number of `lso_interaction` in test_migrate_iptrunk

To reflect the changes in case of `Leased` trunk_type.

test/workflows/iptrunk/test_migrate_iptrunk.py

@@ -149,13 +149,13 @@ def test_migrate_iptrunk_success(
 
     result, process_stat, step_log = run_workflow("migrate_iptrunk", migrate_form_input)
 
-    for _ in range(6):
+    for _ in range(8):
         result, step_log = assert_lso_interaction_success(result, process_stat, step_log)
 
     assert_suspended(result)
     result, step_log = resume_workflow(process_stat, step_log, input_data=USER_CONFIRM_EMPTY_FORM)
 
-    for _ in range(4):
+    for _ in range(5):
         result, step_log = assert_lso_interaction_success(result, process_stat, step_log)
 
     assert_suspended(result)