`java.awt.AWTException: headless environment` error

You might encounter this error message: java.awt.AWTException: headless environment when executing tests in TestCloud environment.

Cause
This error happens when tests are executed with the java.awt.Robot class. The Robot class is not supported for TestCloud executions.

Remedy
To perform UI interactions such as keystrokes or mouse events, use the equivalent Katalon built-in keywords.