pom.xml

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-resources-plugin</artifactId>
    <configuration>
        <outputDirectory>target/package/</outputDirectory>
        <resources>
            <resource>
                <directory>src</directory>
                <includes>
                    <include>config/**</include>
                    <include>data/**</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
    </configuration>
    <executions>
        <execution>
            <goals>
                <goal>copy-resources</goal>
            </goals>
            <phase>test</phase>
        </execution>
    </executions>
</plugin>