Improve test message to avoid duplicate log output

xmltest.cpp

@@ -1957,7 +1957,7 @@ int main( int argc, const char ** argv )
 	    doc.Parse(xml1);
 	    XMLTest("Test that the second declaration is allowed", false, doc.Error() );
 	    doc.Parse(xml2);
-	    XMLTest("Test that declaration after a child is not allowed", XML_ERROR_PARSING_DECLARATION, doc.ErrorID() );
+	    XMLTest("Test that declaration after self-closed child is not allowed", XML_ERROR_PARSING_DECLARATION, doc.ErrorID() );
 	    doc.Parse(xml3);
 	    XMLTest("Test that declaration after a child is not allowed", XML_ERROR_PARSING_DECLARATION, doc.ErrorID() );
 	    doc.Parse(xml4);