@Test
  void testRoundTripAttributes() {
    testRoundTripAttrs(Map.of(
      "string", "string",
      "long", 1L,
      "double", 3.5d,
      "true", true,
      "false", false
    ));
  }
This class is copied from
https://github.com/ElectronicChartCentre/java-vector-tile/blob/master/src/test/java/no/ecc/vectortile/VectorTileEncoderTest.java
and modified based on the changes in VectorTileEncoder, and adapted to junit 5.
planetiler-core/src/test/java/com/onthegomap/planetiler/VectorTileTest.java