Improvements in dimensions counting

DEVSIX-1050

Autoported commit.
Original commit hash: [b87afbd9]

Author: LodrKumquat

itext.tests/itext.html2pdf.tests/itext/html2pdf/css/media/page/PageMarginBoxIntegrationTest.cs

@@ -237,6 +237,7 @@ public virtual void RightTopAndCenterAndBottomTest() {
         }
 
         //Edge-case test
+        // TODO testing here
         /// <exception cref="System.IO.IOException"/>
         /// <exception cref="System.Exception"/>
         [NUnit.Framework.Test]
@@ -370,5 +371,12 @@ public virtual void LargeFixedSidesFixedMiddleTest() {
         public virtual void LargeFixedSidesNoMiddleTest() {
             ConvertToPdfAndCompare("largeFixedSidesNoMiddleTest", sourceFolder, destinationFolder);
         }
+
+        /// <exception cref="System.IO.IOException"/>
+        /// <exception cref="System.Exception"/>
+        [NUnit.Framework.Test]
+        public virtual void TwoPagesTest() {
+            ConvertToPdfAndCompare("twoPagesTest", sourceFolder, destinationFolder);
+        }
     }
 }