Reduce the file name length to avoid exception

Autoported commit.
Original commit hash: [19461e08f]

Author: introfog

itext.tests/itext.html2pdf.tests/itext/html2pdf/css/w3c/css_grid/GridTracksStretchedWithDifferentFlexFactorsSumTest.cs

@@ -28,7 +28,7 @@ namespace iText.Html2pdf.Css.W3c.Css_grid {
     [LogMessage(Html2PdfLogMessageConstant.NO_WORKER_FOUND_FOR_TAG, Count = 3)]
     public class GridTracksStretchedWithDifferentFlexFactorsSumTest : W3CCssGridTest {
         protected internal override String GetHtmlFileName() {
-            return "grid-tracks-stretched-with-different-flex-factors-sum.html";
+            return "tracks-stretched-diff-flex-factors-sum.html";
         }
     }
 }

itext.tests/itext.html2pdf.tests/resources/itext/html2pdf/css/w3c/css_grid/grid-tracks-stretched-with-different-flex-factors-sum.html renamed to itext.tests/itext.html2pdf.tests/resources/itext/html2pdf/css/w3c/css_grid/tracks-stretched-diff-flex-factors-sum.html

@@ -1 +1 @@
-b67d82cb5186299916d5c7fbe6876d606d95dc35
+19461e08f648cfc6476ae77649f6d737bc8e8b39