public static Mbtiles newInMemoryDatabase(boolean compactDb) {
    return newInMemoryDatabase(Arguments.of(COMPACT_DB, compactDb ? "true" : "false"));
  }
Returns a new mbtiles file that won't get written to disk. Useful for toy use-cases like unit tests.
planetiler-core/src/main/java/com/onthegomap/planetiler/mbtiles/Mbtiles.java