tests/org.eclipse.core.tests.runtime/Plugin_Testing/PR1GHFPFYTest/requiresTest/plugin/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<plugin
  name="PR1GHFPFY Plugin Test"
  id="PR1GHFPFYPluginTest"
  version="1.2"
  vendor-name="OTI">

  <requires>
     <import plugin="testa"/>
     <import plugin="testb" version="1.0.0"/>
  </requires>

</plugin>