In fieldOne i typed 'test' and in the autocomplete field i typed an 'a'
Post Data:
javax.faces.partial.ajax=true&
javax.faces.source=test_form%3AfieldTwo&
javax.faces.partial.execute=test_form%3AfieldTwo+test_form%3AfieldOne&
javax.faces.partial.render=test_form%3AfieldTwo&
javax.faces.behavior.event=query&
javax.faces.partial.event=query&
test_form%3AfieldTwo_query=a&
test_form=test_form&
test_form%3AfieldOne=test&
test_form%3AfieldTwo_input=a&
javax.faces.ViewState=3133036732269360003%3A-6419945753035802578.