fix config file environment variable

t/app.t

@@ -79,8 +79,7 @@ password = $password
 EOF
     close($handle);
 
-    $ENV{MOJO_CONFIG} = $conf_file;
-    $ENV{ACCOUNTMANAGER_CONFIG} = $conf_file;
+    $ENV{ACCESS_CHECK_CONFIG} = $conf_file;
 
     return $temp_dir;
 }