This tests setting the value to a readonly or disabled text field which was previously editable

AXTextStateChangeType=1 AXTextChangeValues=[{"AXTextChangeValue":"a","AXTextEditType":3}]
AXTextStateChangeType=1 AXTextChangeValues=[{"AXTextChangeValue":"a","AXTextEditType":1},{"AXTextChangeValue":"hello","AXTextEditType":2}]
AXTextStateChangeType=1 AXTextChangeValues=[{"AXTextChangeValue":"b","AXTextEditType":3}]
AXTextStateChangeType=1 AXTextChangeValues=[{"AXTextChangeValue":"hellob","AXTextEditType":1},{"AXTextChangeValue":"world","AXTextEditType":2}]
AXTextStateChangeType=1 AXTextChangeValues=[{"AXTextChangeValue":"c","AXTextEditType":3}]
AXTextStateChangeType=1 AXTextChangeValues=[{"AXTextChangeValue":"worldc","AXTextEditType":1},{"AXTextChangeValue":"WebKit","AXTextEditType":2}]
AXTextStateChangeType=1 AXTextChangeValues=[{"AXTextChangeValue":"d","AXTextEditType":3}]