Compatibility, Interoperability, Migration, Scala3, Syntax Changes.
akkaHttpVersion % Test, "com.typesafe.akka" %% "akka-http-spray-json" % akkaHttpVersion, "org.scalatest" %% "scalatest" % "3.1.0" % Test, "org.mockito" %% "mockito-scala" % "1.11.4" % Test, "com.typesafe.akka" %% "akka-testkit" % akkaVersion % Test, "com.h2database" % "h2" % "1.4.196", //flyway