core-it-suite/src/test/resources/mng-2720/pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.its.mng2720</groupId>
  <artifactId>project-hierarchy</artifactId>
  <version>1</version>
  <packaging>pom</packaging>

  <name>MNG-2720 Project Hierarchy</name>
  
  <modules>
    <module>child1</module>
    <module>child2</module>
    <module>child3</module>
  </modules>
  
  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin-dependency-resolution</artifactId>
        <version>2.1-SNAPSHOT</version>
        <executions>
          <execution>
            <id>package</id>
            <phase>initialize</phase>
            <goals>
              <goal>compile</goal>
              <goal>runtime</goal>
              <goal>test</goal>
            </goals>
            <configuration>
              <compileClassPath>${project.build.directory}/compile.txt</compileClassPath>
              <runtimeClassPath>${project.build.directory}/runtime.txt</runtimeClassPath>
              <testClassPath>${project.build.directory}/test.txt</testClassPath>
              <significantPathLevels>1</significantPathLevels>
            </configuration>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
</project>