DOC Mention estimator_checks.py under Common Tests
@@ -183,7 +183,8 @@ General Concepts
This refers to the tests run on almost every estimator class in
Scikit-learn to check they comply with basic API conventions. They are
available for external use through
- :func:`utils.estimator_checks.check_estimator`.
+ :func:`utils.estimator_checks.check_estimator`, with most of the
+ implementation in ``sklearn/utils/estimator_checks.py``.
Note: Some exceptions to the common testing regime are currently
hard-coded into the library, but we hope to replace this by marking
