Multiple gatling simulations with maven plugin

mvn-gatling.xml

<profiles>
    <profile>
        <id>performance</id>
        <build>
            <plugins>
                <plugin>
                    <groupId>io.gatling</groupId>
                    <artifactId>gatling-maven-plugin</artifactId>
                    <version>2.0.0-RC4</version>
                    <configuration>
                        <dataFolder>src/test/resources/data</dataFolder>
                        <resultsFolder>target/gatling/results</resultsFolder>
                        <requestBodiesFolder>src/test/resources/request-bodies</requestBodiesFolder>
                        <simulationsFolder>src/test/scala</simulationsFolder>
                    </configuration>
                    <executions>
                        <execution>
                            <id>test1</id>
                            <phase>test</phase>
                            <goals>
                                <goal>execute</goal>
                            </goals>
                            <configuration>
                                <simulationClass>com.example.SimulationOne</simulationClass>
                            </configuration>
                        </execution>
                        <execution>
                            <id>test2</id>
                            <phase>test</phase>
                            <goals>
                                <goal>execute</goal>
                            </goals>
                            <configuration>
                                <simulationClass>com.example.SimulationTwo</simulationClass>
                            </configuration>
                        </execution>
                        <execution>
                            <id>test3</id>
                            <phase>test</phase>
                            <goals>
                                <goal>execute</goal>
                            </goals>
                            <configuration>
                                <simulationClass>com.example.SimulationThree</simulationClass>
                            </configuration>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </build>
    </profile>
</profiles>