Latest version of com.typesafe.akka:akka-stream-testkit_2.12
https://javadoc.io/doc/com.typesafe.akka/akka-stream-testkit_2.12
Current version 2.6.0-M6
https://javadoc.io/doc/com.typesafe.akka/akka-stream-testkit_2.12/2.6.0-M6
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-stream-testkit_2.12/2.6.0-M6/package-list