ZCML File
exception-ftesting.zcml

<configure
    xmlns="http://namespaces.zope.org/browser"
    >
<page
    class="zope.app.exception.browser.tests.test_error.RaiseComponentLookupError"
    for="zope.app.folder.interfaces.IFolder"
    permission="zope.Public"
    name="componentlookuperror.html"
    />
</configure>