Revert "Remove unit tests from ios-simulator that are timing out."

This reverts commit a27564e55ec5fd0ff168c23d927c68dec145871c.
Individual tests have been disabled, and the rest of the suite
has run successfully on FYI.

BUG=

Review-Url: https://codereview.chromium.org/2926903003
Cr-Commit-Position: refs/heads/master@{#477844}
1 file changed