Creates a scriptable InputBox-shaped object with value/accept/hide/button events. Validation display, focus and workbench rendering are not emulated.
Test hook: simulates the user pressing Enter.
Test hook: simulates the input box being dismissed.
Test hook: simulates the user typing into the input box.
Test hook: simulates clicking a title-bar button (e.g. the back button).
Creates a scriptable InputBox-shaped object with value/accept/hide/button events. Validation display, focus and workbench rendering are not emulated.