Create integration test suite for Funds API
Add test cases for funds retrieval
Improve testing patterns for funds retrieval
Directly return list of funds helpers from retrieveAllFunds()
Merge branch develop of upstream
Create test cases to cover funds modifications, covering faulty behaviour
Add test for duplicate creation
Distribute testing logic in separate methods
Change method names
Rename global response spec to be more clear
Merge pull request #1156 from binaryking/FundsIntegrationTest

[GCI Task] Funds Integration Test Suite