pom.xml

            <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-surefire-plugin</artifactId>
               <version>2.16</version>
               <configuration>
                  <argLine>-Xms512m -Xmx1024m -XX:MaxPermSize=256m</argLine>
                  <workingDirectory>${project.build.directory}</workingDirectory>                
                  <systemProperties>
                     <java.io.tmpdir>${project.build.directory}</java.io.tmpdir>
                  </systemProperties>  
               </configuration>
            </plugin>