Skip IP trunk validation for trunks that are Juniper on both sides

Also updated unit tests

gso/workflows/iptrunk/validate_iptrunk.py

@@ -5,7 +5,7 @@ import json
 from orchestrator.targets import Target
 from orchestrator.utils.errors import ProcessFailureError
 from orchestrator.utils.json import json_dumps
-from orchestrator.workflow import StepList, begin, done, step, workflow
+from orchestrator.workflow import StepList, begin, conditional, done, step, workflow
 from orchestrator.workflows.steps import resync, store_process_subscription, unsync
 from orchestrator.workflows.utils import wrap_modify_initial_input_form
 
@@ -192,10 +192,20 @@ def validate_iptrunk() -> StepList:
     * Verify the configuration on both sides of the trunk is intact.
     * Check the ISIS metric of the trunk.
     * Verify that TWAMP configuration is correct.
+
+    If a trunk has a Juniper router on both sides, it is considered legacy and does not require validation.
     """
+    skip_legacy_trunks = conditional(
+        lambda state: all(
+            side.iptrunk_side_node.vendor == Vendor.JUNIPER
+            for side in Iptrunk.from_subscription(state["subscription_id"]).iptrunk.iptrunk_sides
+        )
+    )
+
     return (
         begin
         >> store_process_subscription(Target.SYSTEM)
+        >> skip_legacy_trunks(done)
         >> unsync
         >> verify_ipam_records
         >> verify_netbox_entries