From 094ce8dbbd232b1fec449e8b4c8a5cd590eec6a7 Mon Sep 17 00:00:00 2001
From: Sonic Build Admin <sonicbld@microsoft.com>
Date: Wed, 18 Feb 2026 05:30:12 +0000
Subject: [PATCH] skip allow_list for isolated topo.

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### Description of PR
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Summary:
test_bgp_allow_list.py relies on the ALLOW_LIST route-map which comes from image.

https://github.com/sonic-net/sonic-buildimage/blob/371543340a65eb26f17ad98d394295158de3d9e9/dockers/docker-fpm-frr/frr/bgpd/templates/general/policies.conf.j2#L24

as allow_list is not needed in t1-isolated topo, which will cover both 400g.t1 and 100g.t1 hwsku.

### Type of change

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- [x] Bug fix
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- [ ] Bug fix
- [ ] Testbed and Framework(new/improvement)
- [ ] New Test case
    - [ ] Skipped for non-supported platforms
- [ ] Test case improvement

### Back port request
- [ ] 202205
- [ ] 202305
- [ ] 202311
- [ ] 202405
- [ ] 202411
- [x] 202505
- [ ] 202511

### Approach
#### What is the motivation for this PR?
fix test_bgp_allow_list failure in isolated topo.

#### How did you do it?
skipped in mark condition.

#### How did you verify/test it?
local testbed.

#### Any platform specific information?

#### Supported testbed topology if it's a new test case?

### Documentation
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(If it's a new feature, new test case)
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---
 tests/common/plugins/conditional_mark/tests_mark_conditions.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml b/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml
index 688be65cb..985f7fa0e 100644
--- a/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml
+++ b/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml
@@ -256,6 +256,7 @@ bgp/test_bgp_allow_list.py:
     conditions:
       - "'t1' not in topo_type"
       - "platform in ['x86_64-8111_32eh_o-r0', 'x86_64-8122_64eh_o-r0', 'x86_64-8122_64ehf_o-r0']"
+      - "'isolated' in topo_name"
 
 bgp/test_bgp_bbr.py:
   skip: