* fix global chat

ruby/lib/jam_ruby/models/chat_message.rb

@@ -96,6 +96,7 @@ module JamRuby
 
       def send_chat_msg(music_session, chat_msg, user, client_id, channel, lesson_session, purpose, target_user)
         music_session_id = music_session.id if music_session
+        lesson_session_id = lesson_session.id if lesson_session
 
         msg = @@message_factory.chat_message(
             music_session_id,
@@ -105,7 +106,7 @@ module JamRuby
             chat_msg.id,
             chat_msg.created_at.utc.iso8601,
             channel,
-            lesson_session.id,
+            lesson_session_id,
             purpose
         )
 

web/spec/features/book_test_drive_spec.rb

@@ -94,7 +94,7 @@ describe "Test Drive", :js => true, :type => :feature, :capybara_feature => true
 
       find('a.book-lesson-btn', text: 'BOOK TESTDRIVE LESSON').trigger(:click)
 
-      find('h2', text: 'your lesson has been requested')
+      find('h2', text: 'my lessons')
 
       user.reload
       user.student_lesson_bookings.count.should eql 1