http/tests/devtools/network/preview-searchable.js is slow.

This test seems inherently slow and may be causing timeouts on
Release bots.

Bug: 962831
Change-Id: I4c605cce7daff64ffb4d76d508ee3dcc972a0fef
Tbr: lowell@chromium.org
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1624013
Reviewed-by: Yuta Kitamura <yutak@chromium.org>
Commit-Queue: Yuta Kitamura <yutak@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662089}
1 file changed