| Running 6 tests | 
 | ok 1 MutationObserver on character data should handle basic aspects of characterData observation | 
 | ok 2 MutationObserver on character data should only notify of characterData changes when requested | 
 | ok 3 MutationObserver on character data should allow multiple observers can be registered to a given node and both receive mutations | 
 | ok 4 MutationObserver on character data should provide oldValue is returned when requested | 
 | ok 5 MutationObserver on character data should allow observing both with and without oldValue | 
 | ok 6 MutationObserver on character data should provide oldValue if any observation requests it | 
 | 6 tests | 
 | 6 pass | 
 | 0 fail |