<dependency>
<groupId>org.json4s</groupId>
<artifactId>json4s-tests_2.11</artifactId>
<version>3.3.0.RC1</version>
</dependency>
compile
|-- org.scala-lang:scala-library:2.11.6
|-- org.json4s:json4s-core_2.11:3.3.0.RC1
|-- org.json4s:json4s-native_2.11:3.3.0.RC1
|-- org.json4s:json4s-ext_2.11:3.3.0.RC1
|-- org.json4s:json4s-scalaz_2.11:3.3.0.RC1
|-- org.json4s:json4s-jackson_2.11:3.3.0.RC1
|-- org.json4s:json4s-mongo_2.11:3.3.0.RC1
test