Update test files column-rule shorthand

DEVSIX-7564

Author: guustysebie

itext.tests/itext.html2pdf.tests/itext/html2pdf/css/w3c/css_multicol/MulticolRuleShorthand001Test.cs

@@ -22,8 +22,11 @@ You should have received a copy of the GNU Affero General Public License
 */
 using System;
 using iText.Html2pdf.Css.W3c;
+using iText.Test.Attributes;
 
 namespace iText.Html2pdf.Css.W3c.Css_multicol {
+    [LogMessage(iText.StyledXmlParser.Logs.StyledXmlParserLogMessageConstant.INVALID_CSS_PROPERTY_DECLARATION, 
+        Count = 12)]
     public class MulticolRuleShorthand001Test : W3CCssTest {
         protected internal override String GetHtmlFileName() {
             return "multicol-rule-shorthand-001.xht";

itext.tests/itext.html2pdf.tests/itext/html2pdf/css/w3c/css_multicol/MulticolRuleShorthand2Test.cs

@@ -22,8 +22,11 @@ You should have received a copy of the GNU Affero General Public License
 */
 using System;
 using iText.Html2pdf.Css.W3c;
+using iText.Test.Attributes;
 
 namespace iText.Html2pdf.Css.W3c.Css_multicol {
+    [LogMessage(iText.StyledXmlParser.Logs.StyledXmlParserLogMessageConstant.INVALID_CSS_PROPERTY_DECLARATION, 
+        Count = 1)]
     public class MulticolRuleShorthand2Test : W3CCssTest {
         protected internal override String GetHtmlFileName() {
             return "multicol-rule-shorthand-2.xht";