core-it-suite/src/test/resources/mng-0624/optionalVersion/pom.xml

<project>
  <modelVersion>4.0.0</modelVersion>
  <name>mng624 parent</name>
  <groupId>org.apache.maven.its.mng624.opt</groupId>
  <artifactId>parent</artifactId>
  <version>1</version>
  <packaging>pom</packaging>
  <modules>
    <module>child1</module>
    <module>child2</module>
    <module>child3</module>
  </modules>
</project>