### Question:
PageContainsPropertyRecognizer implements PageRecognizer { public final boolean isPage(final Page candidate) { return candidate.containsProperty(config.propertyName()); }  @Activate void activate(final PageContainsPropertyRecognizerConfig config); @Override final String getName(); final boolean isPage(final Page candidate);  }### Answer:
@Test public void isPage() { assertFalse(model.isPage(candidate)); page.putProperty(PROPERTY_NAME, "value"); assertTrue(model.isPage(candidate)); }