virschematest: Test 'nodedevxml2xmlout' directory

Test the output files against the RNG schema.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

tests/virschematest.c

@@ -280,6 +280,7 @@ static const struct testSchemaEntry schemaNetworkport[] = {
 
 static const struct testSchemaEntry schemaNodedev[] = {
     { .dir = "tests/nodedevschemadata" },
+    { .dir = "tests/nodedevxml2xmlout" },
     { .file = "examples/xml/test/testdev.xml" },
 };