Michael Klimushyn b23b36ad34 Update test .gitignore (flutter/engine#6272) ...

`testing/dart/android/` and `testing/dart/ios` both look like generated
directories created after each `run_tests` execution.

2018-09-17 17:10:30 -07:00

..

src/flutter

Update test .gitignore (flutter/engine#6272)

2018-09-17 17:10:30 -07:00