@Test
public void testExtractValueForKey() {

    assertEquals("Night", ModisUtils.extractValueForKey(TestCoreString, "DAYNIGHTFLAG"));
    assertEquals("2005-10-26T10:07:21.000Z", ModisUtils.extractValueForKey(TestCoreString, "PRODUCTIONDATETIME"));
    assertNull(ModisUtils.extractValueForKey(TestCoreString, "huppepup"));
}