pub run test on 1.14.0-dev.1 throws too many files open errors

[Andersmholmgren]

00:00 +0 ~7 -7: loading test/client/entity/take2/user_entity_test.dart
  Failed to load "test/client/entity/take2/user_entity_test.dart":
  Unable to spawn isolate: "package:collection/equality.dart": Error loading file:///Users/blah/dart/backlogio_acdart/gitbacklog_root/gissue_root/gissue_client/packages/collection/equality.dart:
    Cannot open file, path = '/Users/blah/dart/backlogio_acdart/gitbacklog_root/gissue_root/gissue_client/packages/collection/equality.dart' (OS Error: Too many open files, errno = 24)
  #0      _asyncLoadErrorCallback (dart:_builtin:147)
  #1      _asyncLoadError (dart:_builtin:559)
  #2      _handleLoaderReply (dart:_builtin:362)
  #3      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:148)
00:00 +0 ~7 -7: loading test/client/entity/take2/backlog_entity_test.dart

If I switch back to 1.13.0-dev.7.12 the problem goes away

[floitschG]

This issue was moved to dart-lang/pub#1366