surefire-its/src/test/resources/surefire-613-testCount-in-parallel/pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.apache.maven.plugins.surefire</groupId>
  <artifactId>junit4-test</artifactId>
  <packaging>jar</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>junit4-test</name>
  <url>http://maven.apache.org</url>
  <properties>
      <maven.compiler.source>1.7</maven.compiler.source>
      <maven.compiler.target>1.7</maven.compiler.target>
  </properties>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.8.1</version>
    </dependency>
  </dependencies>
  <build>
     <plugins>
        <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
           <version>${surefire.version}</version>
           <configuration>
             <forkMode>once</forkMode>
             <parallel>methods</parallel>
             <threadCount>10</threadCount>
             <includes>
                <include>**/Test*.java</include>
             </includes>
           </configuration>
        </plugin>
     </plugins>
  </build>
</project>