<dependency>
<groupId>com.typesafe.akka</groupId>
<artifactId>akka-stream-testkit_2.13</artifactId>
<version>2.9.0-M1</version>
</dependency>
@Grapes(
@Grab(group='com.typesafe.akka', module='akka-stream-testkit_2.13', version='2.9.0-M1')
)