# Test Surface Docs
### Scope
Test specification surface for `collection_tools` doc entity instances. Each subdirectory
mirrors a `docs/` entity type and contains test spec files for each instance in that type.
### Responsibility Table
| `feature/` | Test specs for `docs/feature/` instances |
| `invariant/` | Test specs for `docs/invariant/` instances |
| `api/` | Test specs for `docs/api/` instances |