Replace couchbase counters with drb version

spec/support/matchers/broadcast_to_user_matcher.rb

@@ -14,6 +14,7 @@ module Matchers
 
     def initialize(user_id)
       @user_id = user_id
+      @user_id = @user_id.id if @user_id.is_a?(User)
     end
 
     def matches?(block)
@@ -24,8 +25,9 @@ module Matchers
       Qwaiter.broadcaster = old_broadcaster
 
       relevant_broadcasts = test_broadcaster.broadcasts.select{|b| b[:channel] =~ /^\/user\/#{@user_id}/ && b[:data][:event] == @message}
+      @failure_message = "User #{@user_id} did not receive any broadcasts" and return false if relevant_broadcasts.empty?
       @failure_debug_content = "was #{relevant_broadcasts.map{|b| b[:data][:data].inspect}.join(" and ")}"
-      relevant_broadcasts.any?{|b| @target_object === b[:data][:data]}
+      relevant_broadcasts.any? { |b| @target_object === b[:data][:data] }
     end
 
     def message(msg)
@@ -39,7 +41,7 @@ module Matchers
     end
 
     def failure_message
-      "user #{@user_id} did not receive broadcast #{@message} with #{@target_object.inspect} #{@failure_debug_content}"
+      @failure_message || "user #{@user_id} did not receive broadcast #{@message} with #{@target_object.inspect} #{@failure_debug_content}"
     end
     def supports_block_expectations?; true; end
   end