<dependency>
<groupId>com.typesafe.akka</groupId>
<artifactId>akka-stream-testkit_2.11</artifactId>
<version>2.4.17</version>
</dependency>
@Grapes(
@Grab(group='com.typesafe.akka', module='akka-stream-testkit_2.11', version='2.4.17')
)