Hello,
try with this
<dependencies>
<dependency>
<groupId>org.testng</groupId>
<artifactId>testng</artifactId>
<version>5.1</version>
<scope>test</scope>
<classifier>jdk15</classifier>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<suiteXmlFiles>
<suiteXmlFile>src/test/resources/testing.xml</suiteXmlFile>
</suiteXmlFiles>
</configuration>
</plugin>
</plugins>
</build>
hth
marco
