Allowing some important environment variables to be defined via Maven property.
Thus you can add to your ~/.m2/settings.xml something like:
        <profile>
            <id>acceptance-test</id>
            <properties>
                <BROWSER>chrome</BROWSER>
                <JENKINS_WAR>/tmp/jenkins-1.554.1.war</JENKINS_WAR>
            </properties>
        </profile>
and then just:
$ mvn -Pacceptance-test test