Feature/edge url monitor ng assertions
TODO:
-
use other types of queries from surykatka -
per configured entry generate one and only one result -
test against a lot of various scenarios found in surykatka reports, and improve even more -
depends on https://lab.nexedi.com/nexedi/slapos.toolbox/merge_requests/111 -
depends on https://lab.nexedi.com/nexedi/slapos/merge_requests/1367 in order to have new slapos.toolbox landed on master - (optional) improve promise names (go back to readable ones)