JACOCO gera relatório 0%

Meu relatorio JACOCO sempre gera 0% ja verifiquei todas as versões pra deixar igual ao da aula e mesmo assim não muda o relatório

<maven.compiler.source>1.7</maven.compiler.source> <maven.compiler.target>1.7</maven.compiler.target> br.com.alura.maven 4.0.0 br.com.alura.maven produtos jar 1.0-SNAPSHOT produtos http://www.alura.com.br junit junit 4.12 test

    <dependency>
        <groupId>com.thoughtworks.xstream</groupId>
        <artifactId>xstream</artifactId>
        <version>1.4.8</version>
    </dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-pmd-plugin</artifactId>
            <version>3.6</version>
            <executions>
                <execution>
                    <phase>verify</phase>
                    <goals>
                        <goal>check</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
        <plugin>
            <groupId>org.jacoco</groupId>
            <artifactId>jacoco-maven-plugin</artifactId>
            <version>0.7.5.201505241946</version>
            <executions>
                <execution>
                    <goals>
                        <goal>prepare-agent</goal>
                        <goal>report</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>