### Question:
SchemaComponentFactory { public static SchemaResolver getSchemaResolver() { return SchemaFactoryImpl.INSTANCE; }  static SchemaResolver getSchemaResolver(); static SchemaFactory getSchemaFactory();  }### Answer:
@Test public void testGetSchemaResolver() { final SchemaResolver resolver = SchemaComponentFactory.getSchemaResolver(); assertNotNull("Returned schema resolver is null.", resolver); assertSame("Unexpected schema resolver.", SchemaFactoryImpl.INSTANCE, resolver); }