Fix onRetry function in request by setting caller argument to undefined
Fix onRetry function in request by setting caller argument to undefined


Former-commit-id: bcf9d191f1e344fc0ac0cf1dace684b4d229fd50
Former-commit-id: fc039423df8ef879d164153efe24be3cab5811f8
Former-commit-id: 4e0e85894ff42746ed479eecc170412f34bdfab7
ONSdigital/florence,ONSdigital/florence,ONSdigital/florence,ONSdigital/florence