I put the surefire and cobertura plugins in my pom.xml, but I can't configure them to work fine. Or cobertura doesn't run or the tests are executes twice.
So, how could I configure the plugins for they run together and just one time?
If I configure in this way, cobertura doesn't run:
<plugin>
<groupId>org.codehaus.mojo</groupId>
    <artifactId>cobertura-maven-plugin</artifactId>
<version>2.5.1</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
    <version>2.12</version>
</plugin>
If I configure in this way, the tests are executes twice:
<plugin>
    <groupId>org.codehaus.mojo</groupId>
    <artifactId>cobertura-maven-plugin</artifactId>
    <version>2.5.1</version>
    <executions>
        <execution>
            <phase>test</phase>
            <goals>
                <goal>cobertura</goal>
            </goals>
        </execution>
    </executions>
</plugin>
<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-surefire-plugin</artifactId>
    <version>2.12</version>
</plugin>