Test verifyEditable
open ./tests/html/test_editable.html  
assertFailureOnNext Element normal_text is editable.
verifyNotEditable normal_text  
assertFailureOnNext Element normal_select is editable.
verifyNotEditable normal_select  
assertFailureOnNext Element disabled_text is disabled.
verifyEditable disabled_text  
assertFailureOnNext Element disabled_select is disabled.
verifyEditable disabled_select  
assertFailureOnNext Element fake_input is not an input.
verifyEditable fake_input