libweave: Disabled flaky test

Will fix later.

BUG=brillo:1273
TEST=`FEATURES=test emerge-gizmo libweave buffet`

Change-Id: I49dcfc7eaf9de54e8978e533ccdb8d6516793203
Reviewed-on: https://chromium-review.googlesource.com/294189
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
diff --git a/libweave/src/states/state_change_queue_unittest.cc b/libweave/src/states/state_change_queue_unittest.cc
index 7ebcd06..83dcc11 100644
--- a/libweave/src/states/state_change_queue_unittest.cc
+++ b/libweave/src/states/state_change_queue_unittest.cc
@@ -43,7 +43,8 @@
   EXPECT_TRUE(queue_->GetAndClearRecordedStateChanges().empty());
 }
 
-TEST_F(StateChangeQueueTest, UpdateMany) {
+// TODO(vitalybuka): Fix flakiness.
+TEST_F(StateChangeQueueTest, DISABLED_UpdateMany) {
   StateChange change1{
       base::Time::Now(),
       ValueMap{{"prop.name1", unittests::make_int_prop_value(23)}}};