fix eagle tree test

Signed-off-by: Lu Fang <[email protected]>

Author: luccafong

tests/v1/spec_decode/test_eagle.py

@@ -664,6 +664,9 @@ def create_deterministic_logits(token_ids, k: int):
     # Mock runner for attention metadata building.
     proposer.runner = mock.MagicMock()
     proposer.runner.attn_groups.append([mock.MagicMock()])
+    proposer.runner.attn_groups[0][0].metadata_builders = [
+        attn_metadata_builder
+    ]
     proposer.runner.attn_groups[0][0].get_metadata_builder.return_value = \
         attn_metadata_builder
     proposer._get_attention_metadata_builder = mock.MagicMock(