@Test
public void validPiiProperty() throws Exception {

  Schema schema = SchemaBuilder
      .record("r")
      .fields()
      .name("f")
      .prop(SENSITIVITY, PII)
      .type(SchemaBuilder.builder().stringType())
      .noDefault()
      .endRecord();
  DataHighwaySchemaValidator.validate(schema, DISALLOW_NON_NULLABLE_UNIONS);
}