<project>
  ...
  <build>
    <plugins>
      <plugin>
        <artifactId>maven-invoker-plugin</artifactId>
        <version>3.1.0</version>
        <configuration>
          <projectsDirectory>src/it</projectsDirectory>
          <localRepositoryPath>target/local-repo</localRepositoryPath>
        </configuration>
        <executions>
          <execution>
            <id>integration-test</id>
            <goals>
              <goal>install</goal>
              <goal>run</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
  ...
</project>