core-integration-testing/core-integration-tests/src/test/resources/it0030/child-hierarchy/project2/pom.xml

<project>
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.apache.maven.its.it0030</groupId>
    <artifactId>child-hierarchy</artifactId>
    <version>1.0-SNAPSHOT</version>
  </parent>
  <artifactId>project2</artifactId>
  <version>1.0-SNAPSHOT</version>
  <dependencies>
    <dependency>
      <groupId>org.apache.maven.its.it0030</groupId>
      <artifactId>project1</artifactId>
    </dependency>
  </dependencies>
</project>