Why TestExecute can close automatically during tests execution?
During tests execution TestExecute close automatically. Last log string may be message or error\js error Version 10.30
Forum Discussion
If you are calling TestExecute from the command line or with a batch file that includes the /exit /SilentMode commad line switches, then that would be the expected behavior.
/SilentMode - If this argument is specified, TestExecute works in silent mode, that is, it neither displays dialogs, nor informs you about errors or warnings. The dialogs and messages to be displayed are handled as if you pressed the default button in them.
Take a look at the TestExecute Command Line article for more information