[TASK] Restructured functional tests.

docs/examples/copy_faker2file/config.yml

docs/examples/copy_faker2file/data/expected_fakeperson.csv

docs/examples/copy_sqlite2file/config.yml

docs/examples/copy_sqlite2file/data/expected_person.csv

docs/examples/copy_sqlite2file/data/person.sqlite3

...amples/eetl_file2sqliteWithMultipleIdentifiers/config.yml

...s/eetl_file2sqliteWithMultipleIdentifiers/data/person.csv

docs/examples/query_sqlquery2sqlite/config.yml

docs/examples/sync_file2sqlite/config.yml

docs/examples/sync_file2sqlite/data/person.csv

docs/examples/sync_ldap2file/config.yml

docs/examples/sync_sqlite2ldap/config.yml

docs/examples/sync_sqlite2ldap/person.sqlite3

hshetl/test/functional/__init__.py

hshetl/test/functional/test_copy.py

hshetl/test/functional/test_copy_faker2file.py

...unctional/test_eetl_file2sqliteWithMultipleIdentifiers.py

hshetl/test/functional/test_query_sqlquery2sqlite.py

hshetl/test/functional/test_sync_file2sqlite.py