@Test
public void testIsHiddenExtension() throws Exception {

  assertTrue( reportContentLocation.isHiddenExtension( ".jpe" ) );
  assertTrue( reportContentLocation.isHiddenExtension( ".jpeg" ) );
  assertTrue( reportContentLocation.isHiddenExtension( ".jpg" ) );
  assertTrue( reportContentLocation.isHiddenExtension( ".png" ) );
  assertTrue( reportContentLocation.isHiddenExtension( ".css" ) );
  assertFalse( reportContentLocation.isHiddenExtension( "" ) );
}