def METHOD_NAME(self):
    minixlf = (
        self.xliffskeleton
        % """<group restype="x-gettext-plurals">
    <trans-unit id="test[0]" xml:space="preserve">
        <source>cow</source>
        <target>inkomo</target>
    </trans-unit>
    <trans-unit id="test[1]" xml:space="preserve">
        <source>cows</source>
        <target>iinkomo</target>
    </trans-unit>