Use FlapDoodle to unit test Mongo

EmbeddedMongoSuite.scala

import de.flapdoodle.embed.mongo.config.{MongodConfigBuilder, RuntimeConfigBuilder}
import de.flapdoodle.embed.mongo.distribution.Version
import de.flapdoodle.embed.mongo.{Command, MongodStarter}
import de.flapdoodle.embed.process.config.io.ProcessOutput
import org.scalatest.{BeforeAndAfterAll, Suite}
import reactivemongo.api.MongoDriver
class EmbeddedMongoSuite extends Suite with BeforeAndAfterAll {

  lazy val mongodExecutable = {
    val runtimeConfig = new RuntimeConfigBuilder().defaults(Command.MongoD).processOutput(ProcessOutput.getDefaultInstanceSilent).build
    val mongodConfig = new MongodConfigBuilder().version(Version.Main.V3_0).build

    MongodStarter.getInstance(runtimeConfig).prepare(mongodConfig)
  }

  lazy val mongoConnection = {
    val mongodProcess = mongodExecutable.start
    new MongoDriver().connection(List(s"${mongodProcess.getConfig.net.getServerAddress.getHostAddress}:${mongodProcess.getConfig.net.getPort}"))
  }

  override protected def afterAll() = {
    mongoConnection.close()
    mongodExecutable.stop()
  }

  override def nestedSuites = Vector(new MongoRepoSpec(mongoConnection))
  
}