@Test
    public void testReturnFile() throws Exception {
        File file = new File("/test");
        assertEquals(file, waitFor(MockFileAcquirer.returnFile(file)));
    }
Test of public API of MockFileAcquirer, since it is intended to be used by 3rd parties.
Do not place it in the same package as MockFileAcquirer.
@author Tony Vaagenes
fileacquirer/src/test/java/MockFileAcquirerTest.java