Strategies are tested fully on client side, we don't receive any information about tester results.
When testing is finished, temporary file generated in default temp directory. File has name like jforex_report4325623452345.html, and will be deleted when you exit jforex. After it is generated, we try to open it in default system browser with
Desktop.getDesktop().browse(tempFile.toURI());
Don't know why it doesn't open, maybe it's your system specifics. What operating system do you have? Also try to open java console and see for any exceptions that could happen when java tries to open browser