apache/maven-surefire — pull request #16 by andrewgaul (2012-12-18 21:24:19+00:00)
Title: Avoid copy in TestSetRunListener.getAsString

Explicit synchronization allows us to avoid the copy, as suggested by:
http://docs.oracle.com/javase/6/docs/api/java/util/Collections.html#synchronizedList(java.util.List)