Update docs/basic/pipeline_testing.md

Co-authored-by: Yennifer Santos <46519584+ydaponte@users.noreply.github.com>

docs/basic/pipeline_testing.md

@@ -118,7 +118,7 @@ The `next(activities)` method might throw an exception if the expression is inva
 
 ### Asserting end of pipeline execution
 
-When the generator has no more activities to return, it raises a `StopIteration` exception. This is a signal that all activities have been evaluated or that no activities meet the required dependency conditions. If you expect the pipeline to be finished, it can be asserted using the `pytest.raises` context manager:
+When the generator has no more activities to return, it raises a `StopIteration` exception. This is a signal that all activities have been evaluated or that no activities meet the required dependency conditions. If the pipeline is expected to be finished, it can be asserted using the `pytest.raises` context manager:
 
 ```python
 with pytest.raises(StopIteration):