=== Testing HR Helper Functions ===

Test 1: Get HR Contact - Produksi
Nama: Ibu Siti
Ext: 234
WA: 0812-3456-7890
Email: siti.hr@company.com

Test 2: Get HR Contact - NonExistent (should return default)
Nama: HR Pusat
Ext: 101

Test 3: Case-insensitive lookup - 'produksi' (lowercase)
Nama: Ibu Siti

Test 4: Get All HR Contacts
- Produksi: Ibu Siti (Ext: 234, WA: 0812-3456-7890)
- Admin: Pak Budi (Ext: 156, WA: 0813-4567-8901)
- Marketing: Ibu Rina (Ext: 178, WA: 0814-5678-9012)
- IT: Pak Dedi (Ext: 199, WA: 0815-6789-0123)
- Finance: Ibu Dewi (Ext: 145, WA: 0816-7890-1234)
- default: HR Pusat (Ext: 101, WA: 0811-2345-6789)

✅ All tests completed!