DEVIDM-116: Some tests.
DEVIDM-116: Tests for Account and Card Process.
DEVIDM-116: Some initial state checking.
DEVIDM-116: Changed id generator to an atomicLong and now returning an unmodifiable list for useCases.
DEVIDM-116: Made useCases unmodifiable outside the MockService class, made addUseCase method private as a result of that.
DEVIDM-116: Synchronizing getUseCases and made the list only accessible from the synchronized method.
Merge pull request #122 from tomma/DEVIDM-116

DEVIDM-116