[background-sync.https.html]
[background sync register]
expected: FAIL
[background sync getTags]
expected: FAIL
[background sync register in service worker]
expected: FAIL
[background sync getTags in service worker]
expected: FAIL
[periodic sync register]
expected: FAIL
[periodic sync getTags]
expected: FAIL
[periodic sync unregister]
expected: FAIL
[periodic sync register in service worker]
expected: FAIL
[periodic sync getTags in service worker]
expected: FAIL
[periodic sync unregister in service worker]
expected: FAIL