I've multiple packages with absolutely independent pieces of java code. Some packages contain tests that run 5-6 second to complete. Right now, my tests execute sequentially which takes a lot of time to complete all tests in the whole project. However, I quite sure that it's possible to execute tests in package#1/package#2/package#3/.../package#10 simultaneously.   What should I do in order that all my tests from different packages execute at the same time ( without waiting for completion of each other )?
I'm using JUnit 4.4 and Maven and I have a large number of long-running integration tests.  When it comes to parallelizing test suites there are a few solutions that allow me to run each test method in a single test-class in parallel. But all of these require that I change the tests in one way or another.  I really think it would be a much cleaner solution to run X different test classes in X threads in parallel. I have hundreds of tests so I don't really care about threading individual test-classes.  Is there any way to do this?
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