HH-44624 remove deprecated service_mock methods
HH-44603 add new tests
HH-44603 drop python 2.6
HH-44603 add coverage
HH-44603 add tests for default urls
Merge remote-tracking branch 'origin/HH-44624' into EXP-11719
Merge remote-tracking branch 'origin/HH-44603' into EXP-11719
release 2.20.10 [an.sumin@hh.ru]
new debug with Jinja2
new stages, log request_time instead of app total time
add tests for debug page
add coverage to tests run
improve frontik.testing
add new tests