<dependency>
<groupId>io.reactivex</groupId>
<artifactId>rxscala_2.12.0-M4</artifactId>
<version>0.26.2</version>
</dependency>
compile
|-- org.scala-lang:scala-library:2.12.0-M4
test
|-- org.mockito:mockito-core:1.9.5
|-- junit:junit:4.11