user/test/com/google/gwt/resources/GssAutoConversion.gwt.xml

<!DOCTYPE module PUBLIC "-//Google Inc.//DTD Google Web Toolkit 2.0//EN"
        "http://google-web-toolkit.googlecode.com/svn/releases/2.0/distro-source/core/src/gwt-module.dtd">
<module>
  <inherits name="com.google.gwt.resources.GssResourceTest" />

  <!-- Enable auto-conversion -->
  <set-configuration-property name="CssResource.conversionMode" value="lenient" />
  <define-configuration-property name="customProperty" is-multi-valued="false"/>
  <set-configuration-property name="customProperty" value="true"/>
  <define-configuration-property name="customProperty2" is-multi-valued="false"/>
  <set-configuration-property name="customProperty2" value="foo"/>
</module>