rebase eval test w/ tool_runtime fixtures (#773)

# What does this PR do?

- fix eval tests to include tool_runtime fixtures
- rebase eval for extracting memory retrieval context

## Test Plan

```
pytest -v -s -m meta_reference_eval_together_inference_huggingface_datasetio llama_stack/providers/tests/eval/test_eval.py
pytest -v -s -m braintrust_scoring_together_inference llama_stack/providers/tests/scoring/test_scoring.py
```
- With notebook:
https://gist.github.com/yanxi0830/1260a6cb7ec42498a195b88422462a34

## Sources

Please link relevant resources if necessary.


## Before submitting

- [ ] This PR fixes a typo or improves the docs (you can dismiss the
other checks if that's the case).
- [ ] Ran pre-commit to handle lint / formatting issues.
- [ ] Read the [contributor
guideline](https://github.com/meta-llama/llama-stack/blob/main/CONTRIBUTING.md),
      Pull Request section?
- [ ] Updated relevant documentation.
- [ ] Wrote necessary unit or integration tests.

llama_stack/providers/tests/eval/fixtures.py

@@ -35,7 +35,13 @@ EVAL_FIXTURES = ["meta_reference", "remote"]
 
 
 @pytest_asyncio.fixture(scope="session")
-async def eval_stack(request, inference_model, judge_model):
+async def eval_stack(
+    request,
+    inference_model,
+    judge_model,
+    tool_group_input_memory,
+    tool_group_input_tavily_search,
+):
     fixture_dict = request.param
 
     providers = {}
@@ -48,6 +54,7 @@ async def eval_stack(request, inference_model, judge_model):
         "agents",
         "safety",
         "memory",
+        "tool_runtime",
     ]:
         fixture = request.getfixturevalue(f"{key}_{fixture_dict[key]}")
         providers[key] = fixture.providers
@@ -63,6 +70,7 @@ async def eval_stack(request, inference_model, judge_model):
             Api.agents,
             Api.safety,
             Api.memory,
+            Api.tool_runtime,
         ],
         providers,
         provider_data,
@@ -73,6 +81,7 @@ async def eval_stack(request, inference_model, judge_model):
                 judge_model,
             ]
         ],
+        tool_groups=[tool_group_input_memory, tool_group_input_tavily_search],
     )
 
     return test_stack.impls