@Test
  public void getPropertySet() {
    storePropertySet();

    Try<Option<PropertySet>> propertySet = storage.get(propertySetName);
    assertSuccess(propertySet);
    assertSome(propertySet.orNull()); // orNull will never happen, just to avoid exception mgmt
    PropertySet set =
        propertySet.orNull().orNull(); // //orNull will never happen, just to avoid exception mgmt

    // assert we got the properties stored in "storePropertySet"
    assertEquals(2, set.properties().size());
    assertSome("localhost", set.property("host"));
    assertSome("6969", set.property("port"));
  }