Fix IMA with flashinfer + spec + topk & Add radix attention test cases for eagle (#13740)

test/registered/spec/eagle/test_eagle_infer_b.py

@@ -13,6 +13,7 @@ import requests
 from sglang.srt.environ import envs
 from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.few_shot_gsm8k import run_eval as run_gsm8k_eval
+from sglang.test.kits.radix_cache_server_kit import run_radix_attention_test
 from sglang.test.server_fixtures.eagle_fixture import EagleServerBase
 from sglang.test.test_utils import (
     DEFAULT_EAGLE_TARGET_MODEL_FOR_TEST,
@@ -39,6 +40,10 @@ class TestEAGLEServerBasic(EagleServerBase):
         for p in threads:
             p.join()
 
+    def test_radix_attention(self):
+        run_radix_attention_test(self.base_url)
+        self.assertIsNone(self.process.poll())
+
     def test_max_token_one(self):
         requests.get(self.base_url + "/flush_cache")