ARIA 1.0 Live Region Event Test Case: Add text content (ALERT role)

Description

An element with an role attribute with the value "alert" has a text content added 1.5 seconds after the document is loaded.

Expected Results

ATK/AT-SPI
ATK/AT-SPIevent: text_changed::insert event
AXAPI
AXLiveRegionChanged notification
MSAA + IAccessible2
IAccessible2: IA2_EVENT_TEXT_INSERTED event
MSAA + UIA Express
TextPattern..::.TextChangedEvent event