[#APOLLO-2258][#APOLLO-2259] Added tests for new caseType and caseSubtype validators
[#APOLLO-2258][#APOLLO-2259] Added new caseType and caseSubtype validators
[#APOLLO-2259] Normalised name of caseSubtype
Merge pull request #24 from ministryofjustice/APOLLO-2199_Edit_Case_new_validators

Apollo 2199 edit case new validators