@Test
public void whenShouldRegisterWithoutHsqldbUrl() {

    task = new HsqlDatabaseManagerSwingTask(URL_NON_HSQLDB);
    properties.put(HsqlDatabaseManagerSwingTask.class.getCanonicalName(), Boolean.TRUE.toString());
    boolean actual = task.shouldRegister(properties);
    assertThat(actual).isFalse().isEqualTo(task.ok);
}