Update tests/conftest.py

Co-authored-by: Vincent <97131062+vincbeck@users.noreply.github.com>

tests/conftest.py

@@ -1304,7 +1304,7 @@ def airflow_root_path() -> Path:
 
 
 # This constant is set to True if tests are run with Airflow installed from Packages rather than running
-# The tests within Airflow sources. While most tests in CI are run using Airflow sources, there are
+# the tests within Airflow sources. While most tests in CI are run using Airflow sources, there are
 # also compatibility tests that only use `tests` package and run against installed packages of Airflow in
 # for supported Airflow versions.
 RUNNING_TESTS_AGAINST_AIRFLOW_PACKAGES = not (Path(__file__).parents[1] / "airflow" / "__init__.py").exists()