user/test/org/testng/TestNg.gwt.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
This is a HACK, is not a general solution for using TestNg.
It is only enough to run the tests in the GWT Validation TCK.
-->
<module type="fileset">
  <inherits name="com.google.gwt.user.User" />
  <inherits name="com.google.gwt.junit.JUnit" />
  <source path="annotations">
    <exclude name="ITestAnnotation.java" />
    <exclude name="Listeners.java" />
    <exclude name="Optional.java" />
  </source>
  <source path="collections" />
  <source path="">
    <include name="Assert.java" />
    <include name="AssertJUnit.java" />
    <include name="IClass.java" />
    <include name="IHookable.java" />
    <include name="IHookCallBack.java" />
    <include name="ITestResult.java" />
    <include name="ITestNGListener.java" />
    <include name="ITestNGMethod.java" />
    <include name="IAttributes.java" />
    <include name="IRetryAnalyzer.java" />
    <include name="ITestClass.java" />
  </source>
  <super-source path="super" />
</module>