@Test
public void isPage() {

    when(recognizer1.isPage(candidate)).thenReturn(false);
    when(recognizer2.isPage(candidate)).thenReturn(false);
    assertFalse(model.isPage(candidate));
    when(recognizer1.isPage(candidate)).thenReturn(true);
    assertFalse(model.isPage(candidate));
    when(recognizer2.isPage(candidate)).thenReturn(true);
    assertTrue(model.isPage(candidate));
}