Using ScalaTest, a unit test of a lazy val json to object validator

DbUserTest.scala

@DoNotDiscover
class DbUserTest extends FunSpec with Matchers with EitherValues with DbUserJson {

  describe("A DbUser") {
    describe("Should be instantiated from valid json") {
      validUserJson.validate[DbUser].left.get.email should be("bart@simpsons.com")
    }
  }
}