🐛 fix unittest example in docs (#11992)

Author: manuel-sommer

docs/content/en/open_source/contributing/how-to-write-a-parser.md

@@ -298,16 +298,16 @@ or like this:
 $ ./run-unittest.sh --test-case unittests.tools.<your_unittest_py_file>.<main_class_name>
 {{< /highlight >}}
 
-Example for the blackduck hub parser:
+Example for the aqua parser:
 
 {{< highlight bash >}}
-$ docker compose exec uwsgi bash -c 'python manage.py test unittests.tools.test_blackduck_csv_parser.TestBlackduckHubParser -v2'
+$ docker compose exec uwsgi bash -c 'python manage.py test unittests.tools.test_aqua_parser.TestAquaParser -v2'
 {{< /highlight >}}
 
 or like this:
 
 {{< highlight bash >}}
-$ ./run-unittest.sh --test-case unittests.tools.test_blackduck_csv_parser.TestBlackduckHubParser
+$ ./run-unittest.sh --test-case unittests.tools.test_aqua_parser.TestAquaParser
 {{< /highlight >}}
 
 If you want to run all unit tests, simply run `$ docker-compose exec uwsgi bash -c 'python manage.py test unittests -v2'`