### Question:
ObsValidator implements Validator { @Override public boolean supports(Class<?> c) { return Obs.class.isAssignableFrom(c); }  @Override boolean supports(Class<?> c); @Override void validate(Object obj, Errors errors); static final int VALUE_TEXT_MAX_LENGTH; }### Answer:
@Test public void supports_shouldSupportObsClass() { assertTrue(obsValidator.supports(Obs.class)); assertFalse(obsValidator.supports(Concept.class)); }