Exclude tests that require large checkpoints

Author: uzhilinsky

.github/workflows/test.yml

@@ -23,4 +23,4 @@ jobs:
         run: uv sync --all-extras --dev
 
       - name: Run tests
-        run: uv run pytest src scripts
+        run: uv run pytest src scripts --ignore=src/openpi/policies/policy_test.py --ignore=src/openpi/models/model_test.py --ignore=src/openpi/policies/policy_config_test.py --ignore=src/openpi/models/exported_test.py