Spock's Unitils Module makes it possible to use Unitils together with Spock.
'org.spockframework:spock-unitils:0.6-groovy-1.8'
<dependency>
<groupId>org.spockframework</groupId>
<artifactId>spock-unitils</artifactId>
<version>0.6-groovy-1.8</version>
</dependency>
<dependency org="org.spockframework" name="spock-unitils" rev="0.6-groovy-1.8"/>
"org.spockframework", "spock-unitils", "0.6-groovy-1.8"