Test equalNullValueEquals

Test	Status	Start time	Time (seconds)	Message
equalNullValueEquals	1PASS	20 Dec 16:44:58	0.001

Target Class	Coverage contributed by equalNullValueEquals
com.xpn.xwiki.objects.NumberProperty   com.xpn.xwiki.objects.NumberProperty	0.4545454745.5%
com.xpn.xwiki.objects.BaseProperty   com.xpn.xwiki.objects.BaseProperty	0.10416666410.4%
com.xpn.xwiki.objects.BaseElement   com.xpn.xwiki.objects.BaseElement	0.0219780232.2%