New fault injection related tests will be executed by non fault-injected targets (e.g. run-test-hdfs, run-test-hdfs-with-mr) over un-instrumented classes. Such behavior will be potentially misleading because fault-injected tests are likely to expect a different system's behavior when faults are injected into the classes.
Similarly, new targets introduced by
HDFS-475 - run-test-hdfs-fault-inject and run-test-hdfs-with-mr-fault-inject will run normal (non-FI) tests with faults turned on which is likely to fall because of aforementioned reasons.