Improve time_zone test as per @marocchino's suggestion
Improve time_zone test as per @marocchino's suggestion

ffaker/ffaker,EmmanuelOga/ffaker,marceuy/ffaker,albabar/ffaker,vveliev/ffaker,makabde/ffaker,teeparham/ffaker,maxprig/ffaker,gustavor-souza/ffaker,shivashankar-ror/ffaker,dugjason/ffaker,gustavor-souza/ffaker,ffaker/ffaker,makabde/ffaker,esender/ffaker,vveliev/ffaker,esender/ffaker,marceuy/ffaker,EmmanuelOga/ffaker,shivashankar-ror/ffaker,dugjason/ffaker,albabar/ffaker,44uk/ffaker,dongnhut/ffaker,teeparham/ffaker,44uk/ffaker,Kakakakakku/ffaker,Kakakakakku/ffaker,maxprig/ffaker,dongnhut/ffaker