Danny Tuppeny 442fc3cf06
Make cleanup of flutter processes in tests more reliable (#19307)
* Make cleanup of flutter processes in tests more reliable

* Fix quit signals

I confused SigInt&SigTerm for SigTerm&SigKill when I first did this. SigTerm can be blocked and doesn't guarantee the process will be terminated.

* Don't use deprecated constants

* Fix typo

* Add some additional info to debug buffer

* Fix return types on Futures
2018-07-19 11:37:40 +01:00
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2018-07-19 10:46:40 +02:00