Successfully submit form

Successfully submit form

1. Test that the form is submitted when..

   • User enters the exact amount stored in the database
   • User enters 1p below in database
   • User enters 1p above minimum
   • User enters minimum

2. Form declines when..

   • User does not enter anything
   • User enters 1p above the amount in the database
   • User enter an amount above the maximum aloud to reimburse
   • User enters a negative number
   • User enter invalid characters