An onvoicefailure must be reported since no voice can match the required languages.
Meanwhile, since the value for onvoicefailure attribute is "priorityselect",
the synthesis processor must use the values of all voice feature attributes to select a voice by feature priority.
Please manually change the voice element, except the languages and required attributes, to make the processor choose a different voice from default voice.
If the Pass is spoken by a different voice from default voice, it PASS.
Pass.