### Question:
FileConfigSource extends AbstractConfigSource { @Override public VisitableLocation getLocation() { return location; } FileConfigSource(final File file);   FileConfigSource(final FileLocation location); @Override Reader getReader(); @Override VisitableLocation getLocation();  }### Answer:
@Test public void testGetLocation() { final Location location = source.getLocation(); assertNotNull(location); assertEquals(location.toString(), configFile.getAbsolutePath()); }