Surefire, Failsafe and Jacoco reports for sub-modules with Code Cross-Reference

pom.xml

<project>
...
    <reporting>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-project-info-reports-plugin</artifactId>
                <version>2.9</version>
                <reportSets>
                    <reportSet>
                        <reports>
                            <report>index</report>
                        </reports>
                    </reportSet>
                </reportSets>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-report-plugin</artifactId>
                <version>2.19.1</version>
                <reportSets>
                    <reportSet>
                        <id>unit-tests</id>
                        <reports>
                            <report>report</report>
                        </reports>
                    </reportSet>

                    <reportSet>
                        <id>integration-tests</id>
                        <reports>
                            <report>failsafe-report-only</report>
                        </reports>
                    </reportSet>
                </reportSets>
            </plugin>

            <plugin>
                <groupId>org.jacoco</groupId>
                <artifactId>jacoco-maven-plugin</artifactId>
                <version>0.7.9</version>
                <reportSets>
                    <reportSet>
                        <id>jacoco-report</id>
                        <reports>
                            <report>report</report>
                            <report>report-integration</report>
                        </reports>
                    </reportSet>
                </reportSets>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jxr-plugin</artifactId>
                <version>2.5</version>
            </plugin>
        </plugins>
    </reporting>
...
</project>