In Eclipse Juno if I edit a Java file in a maximized Java Editor and run a unit test the JUnit View shows up in a floating window.

The Java Editor remains active and the JUnit View hides half of my screen. How can I hide the JUnit window with keyboard shortcuts?
I've used Juno Service Release 1, Build id: 20121004-1855 and it's the same with Juno Service Release 2, Build id: 20130225-0426.