Test serializeErrors

Test	Status	Start time	Time (seconds)	Message
serializeErrors	1PASS	20 Dec 16:37:48	0.067

Target Class	Coverage contributed by serializeErrors
org.xwiki.text.XWikiToStringBuilder   org.xwiki.text.XWikiToStringBuilder	1.0100%
org.xwiki.mail.MailStatusResultSerializer   org.xwiki.mail.MailStatusResultSerializer	0.823529482.4%
org.xwiki.mail.MailStatus   org.xwiki.mail.MailStatus	0.6868%
org.xwiki.text.XWikiToStringStyle   org.xwiki.text.XWikiToStringStyle	0.2272727322.7%