Evaluate to true.

Any correct XML is accepted, even if as dict it evaluated to false, so if call
to getInstanceXmlAsDict succeed evaluate expression to true.

master/bt5/vifib_base/PropertySheetTemplateItem/portal_property_sheets/SoftwareInstanceConstraint/text_content_valid_xml_constraint.xml

@@ -26,7 +26,7 @@
         </item>
         <item>
             <key> <string>expression</string> </key>
-            <value> <string>python: context.getInstanceXmlAsDict()</string> </value>
+            <value> <string>python: context.getInstanceXmlAsDict() or True</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>

master/bt5/vifib_base/bt/revision

-404
\ No newline at end of file
+405
\ No newline at end of file