Add more testing for chunked prefill (#27506)

test/manual/chunked_prefill/test_e2e_piecewise_cuda_graph.py

@@ -0,0 +1,16 @@
+import unittest
+
+from sglang.test.chunked_prefill_test_utils import ChunkedTestBase
+from sglang.test.test_utils import DEFAULT_SMALL_MODEL_NAME_FOR_TEST
+
+
+class TestChunkedFeaturePiecewiseCudaGraph(ChunkedTestBase):
+    __test__ = True
+    use_kv_canary = False
+    model = DEFAULT_SMALL_MODEL_NAME_FOR_TEST
+    gsm8k_threshold = 0.30
+    feature_args = []
+
+
+if __name__ == "__main__":
+    unittest.main()