Leena&Paulo: Add radio button to total pay page
Add validation to other_employer field
Remove other_employer from draft before submitting claim
Merge pull request #265 from InsolvencyService/add_more_employers_question

Add more employers question
For back to Refused Benefit from employment details for the first
employer
Feature for exiting employment sub section
WIP feature for navigating from employment page to next
Update test with other employer field