Dart reporter - failure doesn't get reported when the test fails to compile

[ClaireDavis]

Describe the bug

When a Flutter test fails to compile, the test failure gets reported by the test runner, but the test reporter doesn't report the failure.

To Reproduce

1. Create a flutter test that doesn't compile
2. run the test via flutter test test/failing_test.dart --file-reporter json:test_result:json
3. upload to dorny/test-reporter
4. this is the result

Expected behavior

A clear and concise description of what you expected to happen.

The reporter should report a failed test

Screenshots

If applicable, add screenshots to help explain your problem.

running locally:

test-report: