Add unique class to 'Working on' nav item for acceptance tests
Add unique class to 'Working on' nav item for acceptance tests


Former-commit-id: 4ab0ca2b9a8cb5330d454b0b929296594e5725dd
Former-commit-id: 870ad3ba5113bec67adcf7442dab76aada2beb71
Former-commit-id: 25233d6a75afd5810dcb6d1f804f7f651024c584
ONSdigital/florence,ONSdigital/florence,ONSdigital/florence,ONSdigital/florence