@Test
  public void shouldPassValidationWhenNoValidationRules() {
    // given
    sut =
        new CommandSchemaValidator(
            SchemaValidationRule.emptyValidationRules(), new ArrayList<ParameterValueValidator>());
    Map<String, String> someMap = new HashMap<String, String>();
    // and
    someMap.put("paramOne", "value one");
    someMap.put("paramTwo", "value 2");
    someMap.put("param3", "value 3");
    // when
    sut.validateCommandSchema(someMap);
    sut.validateCommandSchema(new HashMap<String, String>());
    // then no exception expected

  }