Add check when there are still watchdogs unmatched at the end of dete…

…ction

providers/base/bin/watchdog_config_test.py

@@ -214,7 +214,6 @@ def detect() -> None:
  path = "/sys/class/watchdog/{}/identity".format(watchdog)
  with open(path, "r") as f:
  identity = f.readline().strip()
- print("Identity of {}: {}".format(path, identity))
  try:
  # check that the identity was expected
  input_identities.remove(identity)
@@ -228,6 +227,13 @@ def detect() -> None:
  os.environ["WATCHDOG_IDENTITY"], identity
  )
  )
+ # Check if there are any remain watchdogs
+ if input_identities:
+ raise SystemExit(
+ "There are still unmatched watchdogs!\n{}".format(
+ input_identities
+ )
+ )
 
  # Handle unrecognized image source
  else: