change test2-2 and test2-3 regarding promise-based api calls.
add a 2-5 test case for testing SEReader.closeAll()
Merge branch 'alison_testapp'

Conflicts:
	js/SIM/class_sereader.js
Merge pull request #1 from lantianyouyou/master

changes of test2-2 and test2-3 regarding the promise-based api calls.