<dependency>
<groupId>org.specs2</groupId>
<artifactId>specs2-matcher-extra_2.13.0-M5</artifactId>
<version>4.5.0</version>
</dependency>
@Grapes(
@Grab(group='org.specs2', module='specs2-matcher-extra_2.13.0-M5', version='4.5.0')
)