Fix flaky IPCMojoBootstrapTest fixture

If you don't install a connection error handler before an error can
signal, you're gonna have a bad time.

Bug: 826450
Change-Id: I1a1b16b66449d89783aa8a9fae34e57e91a1d4f9
Reviewed-on: https://chromium-review.googlesource.com/998994
Reviewed-by: Wez <wez@chromium.org>
Commit-Queue: Ken Rockot <rockot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#548610}

CrOS-Libchrome-Original-Commit: a47da1e4b040bb1ed33368cf893d98560133c7fc
1 file changed
tree: 884924a60761a1b73358f7bac7608b9c899abc18
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/