func-tests: change location

tests-extra/.gitignore

tests-extra/README

tests-extra/data/cname-loop.zone

tests-extra/data/example.com.zone

tests-extra/data/example.zone

tests-extra/data/flags.zone

tests-extra/data/out-of-zone.zone

tests-extra/data/records.zone

tests-extra/data/rootzone.zone

tests-extra/data/wild.zone

tests-extra/runtests.py

tests-extra/tests/axfr/bind_knot/test.py

tests-extra/tests/axfr/interrupt/test.py

tests-extra/tests/axfr/knot_bind/test.py

tests-extra/tests/axfr/knot_knot/test.py

tests-extra/tests/basic/flags/test.py

tests-extra/tests/basic/nsec/data/example.zone.nsec

tests-extra/tests/basic/nsec/data/update.sh

tests-extra/tests/basic/nsec/test.py

tests-extra/tests/basic/nsec3/data/example.zone.nsec3