Servlet 3.1
Default Servlet async timeout is 30s.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1477938 13f79535-47bb-0310-9956-ffa450edef68
Take the PrintWriter out of the test - it adds too much buffering which makes figuring out what the non-blocking API is meant to be doing harder than it needs to be.
Increase the timeouts to allow debugging.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1477939 13f79535-47bb-0310-9956-ffa450edef68