dmurph@ - can you take a peek?

It may be an ordering issue (since at least one of the tests assumes a clean state?) but might be something else.

 Issue 734793  has been merged into this issue.

 Issue 734744  has been merged into this issue.

ooooo @Victor did your change effect this?

This could also be a full disk.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/738636e60050e63820dfcd90e722b909d9c1dbac

commit 738636e60050e63820dfcd90e722b909d9c1dbac
Author: pdr <pdr@chromium.org>
Date: Wed Jun 21 01:43:42 2017

Suppress indexeddb/upgrade-events.html flaky failures

This test has become flaky lately:
https://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=http%2Ftests%2Finspector%2Findexeddb%2Fupgrade-events.html&testType=webkit_tests

TBR=tmartino

Bug: 735259
Change-Id: I352e6a27368a95750b1bd2dd6902ce16d328fd0d
Reviewed-on: https://chromium-review.googlesource.com/542036
Reviewed-by: Philip Rogers <pdr@chromium.org>
Commit-Queue: Philip Rogers <pdr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#481072}
[modify] https://crrev.com/738636e60050e63820dfcd90e722b909d9c1dbac/third_party/WebKit/LayoutTests/TestExpectations