They made some changes in my post but I think it's clearer. Thanks Alexandra Rusina and other JetBrainers.
See it here: Running JUnit 4 Tests in IntelliJ IDEA 5.1
Update: It's not a latest news, 2 days ago, JetBrains released next EAP of Irida build 4171. You can get it here. But the thing I'm waiting for is next EAP of Demetra. ;-)