Updated channel_manager,

1. marked notify_state_change as accessible
2. annotated code with right spec ids

lib/ably/realtime/channel.rb

@@ -364,7 +364,7 @@ def __incoming_msgbus__
       # @return [Ably::Models::ChannelOptions]
       def set_options(channel_options)
         @options = Ably::Models::ChannelOptions(channel_options)
-
+        # RTL4i
         manager.request_reattach if (need_reattach? and connection.state?(:connected))
       end
       alias options= set_options

lib/ably/realtime/channel/channel_manager.rb

@@ -18,7 +18,7 @@ def initialize(channel, connection)
       def attach
         if can_transition_to?(:attached)
           connect_if_connection_initialized
-          send_attach_protocol_message if connection.state?(:connected)
+          send_attach_protocol_message if connection.state?(:connected) # RTL4i
         end
       end
 
@@ -167,6 +167,12 @@ def start_attach_from_suspended_timer
         end
       end
 
+      # RTL13c
+      def notify_state_change
+        @pending_state_change_timer.cancel if @pending_state_change_timer
+        @pending_state_change_timer = nil
+      end
+
       private
       attr_reader :pending_state_change_timer
 
@@ -210,6 +216,7 @@ def send_attach_protocol_message
 
         state_at_time_of_request = channel.state
         attach_action = Ably::Models::ProtocolMessage::ACTION.Attach
+        # RTL4f
         @pending_state_change_timer = EventMachine::Timer.new(realtime_request_timeout) do
           if channel.state == state_at_time_of_request
             error = Ably::Models::ErrorInfo.new(code: Ably::Exceptions::Codes::CHANNEL_OPERATION_FAILED_NO_RESPONSE_FROM_SERVER, message: "Channel #{attach_action} operation failed (timed out)")
@@ -257,11 +264,6 @@ def send_detach_protocol_message(previous_state)
         send_detach_message.call
       end
 
-      def notify_state_change
-        @pending_state_change_timer.cancel if @pending_state_change_timer
-        @pending_state_change_timer = nil
-      end
-
       def logger
         connection.logger
       end

lib/ably/realtime/channel/channel_state_machine.rb

@@ -29,7 +29,7 @@ class ChannelStateMachine
       transition :from => :failed,       :to => [:attaching, :initialized]
 
       after_transition do |channel, transition|
-        channel.manager.notify_state_change
+        channel.manager.notify_state_change # RTL13c
         channel.synchronize_state_with_statemachine
       end