@Test
public void testHasHdfFileExtension() {

    assertFalse(ModisProductReaderPlugIn.hasHdfFileExtension(null));
    assertFalse(ModisProductReaderPlugIn.hasHdfFileExtension(new File("tonio_und.tom")));
    assertTrue(ModisProductReaderPlugIn.hasHdfFileExtension(new File("I_am_but.hdf")));
}