src/test/resources/projects/massembly-210-direct-parent/src/main/assembly/repo.xml

<assembly>
  <id>repo</id>
  <formats>
    <format>dir</format>
  </formats>
  
  <includeBaseDirectory>false</includeBaseDirectory>
  
  <repositories>
    <repository>
      <includeMetadata>true</includeMetadata>
      <outputDirectory>/</outputDirectory>
    </repository>
  </repositories>
</assembly>