libweave: Relax message loop constrains in XmppChannelTest

Maintaining number of posted messages probably useless.

BUG=brillo:1257
TEST=`FEATURES=test emerge-gizmo libweave`

Change-Id: I11c690531f24d6a385d2fe2a10893ee099cbea10
Reviewed-on: https://chromium-review.googlesource.com/293006
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
1 file changed
tree: 303441512fa418664a26c4309645e38d9b42cddb
  1. libweave/