fix display of session time

ruby/lib/jam_ruby/models/music_session.rb

@@ -948,6 +948,9 @@ SQL
       if scheduled_duration.class == String
         duration = scheduled_duration.to_i.seconds
       end
+      if duration == 0
+        duration = 30 * 60
+      end
       duration
     end
 
@@ -996,7 +999,7 @@ SQL
             "#{start_time.strftime("%A, %B %e")}, #{start_time.strftime("%l:%M").strip}-#{end_time.strftime("%l:%M %p").strip} #{timezone_display}"
           end
         else
-          "#{start_time.strftime("%A, %B %e")} - #{start_time.strftime("%l:%M%P").strip}"
+          "#{start_time.strftime("%A, %B %e")} - #{end_time.strftime("%l:%M%P").strip}"
         end
 
       else

web/app/assets/javascripts/react-components/LessonPayment.js.jsx.coffee

@@ -502,7 +502,7 @@ UserStore = context.UserStore
             else if this.state.user.lesson_package_type_id == 'test-drive-2'
               explanation =`<span>You are purchasing the TestDrive package of JamClass by JamKazam. This purchase entitles you to take 2 private online music lessons - 1 each from 2 different instructors in the JamClass instructor community. The price of this TestDrive package is $29.99.</span>`
             else
-              alert("You do not have a test drive package selected")
+              alert("You do not have a test drive package selected:  " + this.state.user.lesson_package_type_id )
 
 
           bookingDetail = `<p>{explanation}