Make your objects testable.
'br.com.objectos:testable-core:0.3.0'
<dependency>
<groupId>br.com.objectos</groupId>
<artifactId>testable-core</artifactId>
<version>0.3.0</version>
</dependency>
<dependency org="br.com.objectos" name="testable-core" rev="0.3.0"/>
"br.com.objectos", "testable-core", "0.3.0"