
Currently, `flutter update-packages --force-upgrade` will crash if it encounters a pubspec.yaml file with no dependencies (either regular or dev). The assumption that we'd never see such pubspec files is no longer valid, as we have such a file in one of our tests.
Flutter Tools
Tools for building Flutter applications.
To run the tests, ensure that no devices are connected,
then navigate to flutter_tools
and execute:
../../bin/cache/dart-sdk/bin/pub run test -j1