ZCML File
testobject.zcml

<zope:configure
    xmlns="http://namespaces.zope.org/browser"
    xmlns:zope="http://namespaces.zope.org/zope"
    >
<addform
    name="AddTestObject"
    schema="zope.app.workflow.stateful.testobject.ITestObject"
    permission="zope.ManageContent"
    label="Add Test Object"
    content_factory="zope.app.workflow.stateful.testobject.TestObject"
    />
<editform
    name="edit.html"
    schema="zope.app.workflow.stateful.testobject.ITestObject"
    for="zope.app.workflow.stateful.testobject.ITestObject"
    permission="zope.ManageContent"
    label="Change Test Object"
    menu="zmi_views"
    title="Edit"
    />
</zope:configure>