Go into the editor and in the debug console type the following:
waitUntil{false}; hint "Hello World";
The result will be a hint box popping up with the
text "Hello World", and you will also get the following
message in your RPT file:
Suspending not allowed in this context
Error in expression <waitUntil{false}; hint "Hello World";>
Error position: <false}; hint "Hello World";>
Error Generic error in expression