EXECUTE: Open JBoss Central and click link 'HTML5 Project'.
EXECUTE: On wizard's second page, remove check at 'Use default Workspace location'
EXECUTE: Make input field 'Location' empty manually, if it does not become empty automatically.
ASSERT: Finish is disabled and wizard displays an error message.
FAILURE: Finish is enabled, no error message.
EXECUTE: Run finish with empty 'Location'. (That may not be possible when the validation is fixed.)
FAILURE: Wizard completes with many exceptions and displays window "'HTML5 Project' Project is now ready", "Show '/poh5/README.md' for further instructions", which results in more exceptions.

(Linux)
Repeat the first two steps, then
EXECUTE: Fill input field 'Location' with non-existing path "abc".
ASSERT: Finish is disabled and wizard displays an error message. (Compare with New Java project, or another standard project)
FAILURE: Finish is enabled, no error message.
EXECUTE: Run finish. (That may not be possible when the validation is fixed.)
NON-STANDARD: Wizard completes successfully, project is created in Eclipse installation folder.