Schema file name is wrong

TC_MEC_SRV_SRVSUB_002_OK :: Check that the IUT acknowledges the su... 
{
...
...
}
| FAIL |
FileNotFoundError: [Errno 2] No such file or directory: 'schemas//SerAvailabilityNotificationSubscription.schema.json'

Script is accessing schema file named SerAvailabilityNotificationSubscription.schema.json, but in schema folder, file doesn't have the schema key in it. Please fix this by changing the file name to SerAvailabilityNotificationSubscription.schema.json.