The Maven Plugin Testing contains the necessary modules to be able to test Maven Plugins.
'org.apache.maven.plugin-testing:maven-plugin-testing:2.1'
<dependency>
<groupId>org.apache.maven.plugin-testing</groupId>
<artifactId>maven-plugin-testing</artifactId>
<version>2.1</version>
</dependency>
<dependency org="org.apache.maven.plugin-testing" name="maven-plugin-testing" rev="2.1"/>
"org.apache.maven.plugin-testing", "maven-plugin-testing", "2.1"