Add KV-canary SWA + DeepSeek-V4 pool support (#26810)

test/manual/kv_canary/test_self_e2e_baseline_dsv4.py

@@ -0,0 +1,21 @@
+from __future__ import annotations
+
+import unittest
+from test.registered.kv_canary.test_self_e2e_baseline import _BaselineBase
+
+from sglang.test.kv_canary.consts import (
+    DSV4_POOL_SERVER_ARGS,
+    DSV4_POOL_SERVER_ENV,
+)
+
+
+class TestBaselineDsv4(_BaselineBase):
+    __test__ = True
+
+    model_mode = "dsv4"
+    extra_server_args = DSV4_POOL_SERVER_ARGS
+    extra_env = DSV4_POOL_SERVER_ENV
+
+
+if __name__ == "__main__":
+    unittest.main()