disable surefire when running grails

pom.xml

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-surefire-plugin</artifactId>
    <configuration>
        <skip>true</skip>
    </configuration>
    <executions>
        <execution>
            <id>surefire-it</id>
            <phase>integration-test</phase>
            <goals>
                <goal>test</goal>
            </goals>
            <configuration>
                <skip>true</skip>
                <!-- This has to be true - grails runs it's own tests, and
                surefire don't know squat about integration tests -->
            </configuration>
        </execution>
    </executions>
</plugin>