Windows "integration" tests report incorrect status #39576
Description
Seen on #39569 (comment)
RS5 failed due to #39574, but integration tests are not marked as "failed"
https://jenkins.dockerproject.org/job/Docker-PRs-WoW-RS5-Process/3055/console
09:13:44 Running C:\gopath\src\github.com\docker\docker\integration\container
09:13:45 INFO: Windows Base image is microsoft/windowsservercore
09:13:45 INFO: Testing against a local daemon
...
09:13:52 === RUN TestHealthKillContainer
09:13:59 --- FAIL: TestHealthKillContainer (7.58s)
09:13:59 health_test.go:57: assertion failed: error is not nil: Error response from daemon: Invalid signal: SIGUSR1
...
09:16:21 FAIL
09:16:21 Running C:\gopath\src\github.com\docker\docker\integration\image
Then it continues with test-integration-cli
10:22:01 OK: 524 passed, 548 skipped
10:22:01 PASS
10:22:01 ok github.com/docker/docker/integration-cli 3921.066s
10:22:02 INFO: Integration tests ended at 07/19/2019 10:22:02. Duration:01:05:31.5617086