Package tests fail on windows with incorrect path expectation

[whesse]

8 package tests are failing on Windows with errors like:

FAIL: AbstractContextManagerTest | test_setRoots_addFolderWithPackagespec
Expected: '/home/somebody/.pub/cache/unittest-0.9.9/lib/unittest.dart'
Actual: 'E:\b\build\slave\pkg-win-be\build\sdk\home\somebody.pub\cache\unittest-0.9.9\lib\unittest.dart'
Which: is different.

The main bug for this is filed on the pub repo: dart-lang/pub#1429
Status files are suppressing these failures: pkg/pkg.status.

[scheglov]

https://codereview.chromium.org/2142143002

[scheglov]

94a41e0

[whesse]

Please update the status for this test that now passes. The first comment on the bug says which status files need to be updated when the bug is fixed. Error is at

http://chromium-build.appspot.com/p/client.dart/builders/pkg-win-debug-be/builds/3592/steps/pkg%20tests%20failures/logs/stdio

[scheglov]

94a41e0
139c7e2
454f9ed

[scheglov]

0e855cb

[scheglov]

See also https://dart-review.googlesource.com/c/sdk/+/7843