user/test/test/ServletMappingTest.gwt.xml

<module>
  <inherits name="com.google.gwt.user.User"/>
  <source path=""/>
  <servlet class="test.ServletMappingTestServiceImpl1" path="/test"/>
  <servlet class="test.ServletMappingTestServiceImpl2" path="/test/longer"/>
  <servlet class="test.ServletMappingTestServiceImpl3" path="/test/long"/>
  <servlet class="test.ServletMappingTestServiceImpl3" path="/totally/different/but/valid"/>
</module>