diff --git a/tests/integration/test_lists/waives.txt b/tests/integration/test_lists/waives.txt
index 8e72d795b795..97e515fe7559 100644
--- a/tests/integration/test_lists/waives.txt
+++ b/tests/integration/test_lists/waives.txt
@@ -465,7 +465,6 @@ unittest/auto_deploy/multigpu/custom_ops/test_ad_dist_strategies.py::test_allred
 unittest/auto_deploy/multigpu/custom_ops/test_ad_dist_strategies.py::test_allreduce_strategies[NCCL] SKIP (https://nvbugs/6403920)
 unittest/auto_deploy/multigpu/custom_ops/test_ad_dist_strategies.py::test_allreduce_strategies[SYMM_MEM] SKIP (https://nvbugs/6403920)
 unittest/bindings/test_executor_bindings.py SKIP (TRTLLM-13781: legacy TensorRT examples removed; tests to be removed in follow-up PR3)
-unittest/bindings/test_transfer_agent_bindings.py::TestNixlFunctionalTransfer::test_nixl_wait_in_progress_on_zero_timeout SKIP (https://nvbugs/6260897)
 unittest/disaggregated/test_kv_transfer.py::test_transfer_worker_v2[tp4_pp1_to_tp2_pp2] SKIP (https://nvbugs/6426834)
 unittest/executor/test_rpc.py::TestRpcCorrectness::test_incremental_task_async SKIP (https://nvbugs/5741476)
 unittest/executor/test_rpc_proxy.py SKIP (https://nvbugs/5605741)
diff --git a/tests/unittest/bindings/test_transfer_agent_bindings.py b/tests/unittest/bindings/test_transfer_agent_bindings.py
index ab1bf158348c..d6c9d5f440c0 100644
--- a/tests/unittest/bindings/test_transfer_agent_bindings.py
+++ b/tests/unittest/bindings/test_transfer_agent_bindings.py
@@ -585,8 +585,11 @@ def test_nixl_wait_in_progress_on_zero_timeout(self):
         status = agent_a.submit_transfer_requests(request)
 
         # With timeout_ms=0, wait checks status once and returns immediately.
+        # Either IN_PROGRESS (transfer still running) or SUCCESS (transfer
+        # already completed by the progress thread on a fast loopback path)
+        # is a valid non-blocking observation; FAILURE would indicate a bug.
         result = status.wait(timeout_ms=0)
-        assert result == tab.TransferState.IN_PROGRESS
+        assert result in (tab.TransferState.IN_PROGRESS, tab.TransferState.SUCCESS)
 
         # Wait for the transfer to actually finish before cleanup
         final_result = status.wait(timeout_ms=5000)