Here is the POM.xml that works for me:
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>AVL.System</groupId>
<artifactId>API-Tests</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>API Tests</name>
<url>http://maven.apache.org</url>
<pluginRepositories>
<pluginRepository>
<id>SmartBearPluginRepository</id>
<url>http://www.soapui.org/repository/maven2/</url>
</pluginRepository>
</pluginRepositories>
<build>
<plugins>
<plugin>
<groupId>com.smartbear.soapui</groupId>
<artifactId>soapui-maven-plugin</artifactId>
<version>5.3.0</version>
<configuration>
</configuration>
<dependencies>
<dependency>
<groupId>com.jgoodies</groupId>
<artifactId>forms</artifactId>
<version>1.0.7</version>
</dependency>
</dependencies>
<executions>
<execution>
<id>SoapUI Tests</id>
<phase>test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<globalProperties>
<value>ENV=TEST</value>
</globalProperties>
<projectFile>src/test/SoapUI/AVL-APIs-v2.xml</projectFile>
<outputFolder>${basedir}/target/SoapUI-Report</outputFolder>
<junitReport>true</junitReport>
<exportAll>true</exportAll>
<printReport>true</printReport>
<environment>DEV</environment>
<testFailIgnore>false</testFailIgnore>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>