testImplementation 'de.flapdoodle.embed:de.flapdoodle.embed.mongo'
https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-3.5.5.tgz
EmbeddedMongoAutoconfiguration
ExtractedArtifactStore
    boolean foundExecutable
ArtifactStore
AbstractExtractor.extract()
   ~/.embedmongo/extracted