rephrase docstring on fixtures
@@ -18,9 +18,8 @@ testing operations.
Fixtures
--------
-All the data dependency for the multiple test cases
-have been defined as test fixtures (preferred to
-shared global variables).
+All data dependency has been implemented
+as test fixtures (preferred to shared global variables).
All the fixtures shared by multiple test cases
are defined in the `conftest.py` module.
