It would be good to identify a subset of hdfs tests that provide strong test code coverage within 10 minutes, as is the goal of MAPREDUCE-670 and HADOOP-5628.
Create target for 10 minute patch test build
Convert the file including 10 minutes run's tests into the test harness test suite
Only fault-injected tests have to be executed by run-test-*-faul-inject targets; none of fault-injected tests need to be ran normal testing process
Create target for 10 minute patch test build for mapreduce