Add config entries for tests

config/import.php

@@ -45,6 +45,7 @@ return [
         'plaid'   => false,
         'quovo'   => false,
         'yodlee'  => false,
+        'bad'     => false, // always disabled
     ],
     // demo user can use these import providers (when enabled):
     'allowed_for_demo' => [