Bazel CI failure in //go/launcher/webdriver:go_default_test_chrome55-win10

[katre]

Bazel CI is failing for rules_webtesting. The error message isn't clear, but I also see a failure running locally with the latest Bazel release rules_webtesting.log :

$ bazel test //go/launcher/webdriver:go_default_test_chrome55-win10
2017/10/30 16:33:41 Caps: {OSSCaps:map[tags:[sauce //go/launcher/webdriver:go_default_test_wrapped_test //browsers/sauce:chrome55-win10 //web:default_config] tunnel-identifier: version:55.0 browserName:chrome build: name://go/launcher/webdriver:go_default_test_chrome55-win10 platform:Windows 10] Always:map[name://go/launcher/webdriver:go_default_test_chrome55-win10 platform:Windows 10 tags:[sauce //go/launcher/webdriver:go_default_test_wrapped_test //browsers/sauce:chrome55-win10 //web:default_config] tunnel-identifier: version:55.0 browserName:chrome build:] First:[]}
--- FAIL: TestSetWindowRect (0.77s)
    webdriver_test.go:418: [Go WebDriver Client] (session not created) [Go WebDriver Client]: invalid character 'S' looking for beginning of value unmarshalling &{Status:<nil> SessionID: Value:<nil> Error: Message: StackTrace:<nil>}
FAIL

Full log is attached.

[katre]

rules_webtesting.log

[indrajithbandara]

Good