Merge branch 'feature/write_unit_tests_be' of https://git.dilig.net/Neca/HRCenter into feature/write_unit_tests_be

Diligent.WebAPI.Host/appsettings.Development.json

 {
   "ConnectionStrings": {
-    "WebApi": "Server=192.168.88.105;Database=HRCenter;User Id=hrcentar;Password="
+    "WebApi": "Server=192.168.88.105;Database=HRCenter;User Id=hrcentar;Password=administrator#2021;"
   },
   "Authorization": {
     "JwtExpiredTime": "5",

Diligent.WebAPI.Host/appsettings.json

 {
   "ConnectionStrings": {
-    "WebApi": "Server=192.168.88.105;Database=HRCenter;User Id=hrcentar;Password="
+    "WebApi": "Server=192.168.88.105;Database=HRCenter;User Id=hrcentar;Password=administrator#2021;"
   },
   "Authorization": {
     "JwtExpiredTime": "5",