Task ttl can be set with task manager test api, which is disabled
in release mode.
Move get_and_update_ttl from task manager test api to task manager
api, so that it can be used in release mode.
Closes#12894
The test api that helps testing task manager api. It can be used
to simulate the operations that can happen on modules and theirs
task. Through the api user can: register and unregister the test
module and the tasks belonging to the module, and finish the tasks
with success or custom error.
