<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-surefire-plugin</artifactId>
    <version>2.13</version>
    <configuration>
        <additionalClasspathElements>
            <additionalClasspathElement>src/main/webapp/WEB-INF/spring</additionalClasspathElement>
            <additionalClasspathElement>src/test/resources</additionalClasspathElement>
        </additionalClasspathElements>
    </configuration>
</plugin>