Fix tests after underline tagging fix

DEVSIX-5700

Author: Dmitry Radchuk

src/test/java/com/itextpdf/html2pdf/HtmlConverterPdfUA2Test.java

@@ -76,12 +76,7 @@ public void simpleLinkTest() throws IOException, InterruptedException, XMPExcept
         converterProperties.setFontProvider(fontProvider);
         HtmlConverter.convertToPdf(new FileInputStream(sourceHtml), pdfDocument, converterProperties);
 
-        /* TODO: DEVSIX-5700 - Links created from html2pdf are not ua-2 compliant
-         * One verapdf error is generated here:
-         * 1. clause="8.5.1", Real content that does not possess the semantics of text objects and does not have
-         *    an alternate textual representation is not enclosed within Figure or Formula structure elements.
-         */
-        compareAndCheckCompliance(destinationPdf, cmpPdf, false);
+        compareAndCheckCompliance(destinationPdf, cmpPdf, true);
     }
 
     @Test
@@ -99,12 +94,7 @@ public void backwardLinkTest() throws IOException, InterruptedException, XMPExce
         converterProperties.setFontProvider(fontProvider);
         HtmlConverter.convertToPdf(new FileInputStream(sourceHtml), pdfDocument, converterProperties);
 
-        /* TODO: DEVSIX-5700 - Links created from html2pdf are not ua-2 compliant
-         * One verapdf error is generated here:
-         * 1. clause="8.5.1", Real content that does not possess the semantics of text objects and does not have
-         *    an alternate textual representation is not enclosed within Figure or Formula structure elements.
-         */
-        compareAndCheckCompliance(destinationPdf, cmpPdf, false);
+        compareAndCheckCompliance(destinationPdf, cmpPdf, true);
     }
 
     @Test
@@ -123,11 +113,13 @@ public void imageLinkTest() throws IOException, InterruptedException, XMPExcepti
         converterProperties.setBaseUri(SOURCE_FOLDER);
         HtmlConverter.convertToPdf(new FileInputStream(sourceHtml), pdfDocument, converterProperties);
 
-        /* TODO: DEVSIX-5700 - Links created from html2pdf are not ua-2 compliant
-         * One verapdf error is generated here:
-         * 1. clause="8.5.1", Real content that does not possess the semantics of text objects and does not have
-         *    an alternate textual representation is not enclosed within Figure or Formula structure elements.
-         */
+        // The VeraPDF check fails probably to its internal bug. It checks that /ActualText != null, but the
+        // pdf/ua-2 documentation states the following:
+        // 8.5.1 General
+        // Real content that does not possess the semantics of text objects and does not have an alternate
+        // textual representation shall be enclosed within Figure structure elements in accordance with
+        // ISO 32000-2:2020, 14.8.4.8.5
+        // So probably VeraPDF should've checked for /Alt instead of /ActualText
         compareAndCheckCompliance(destinationPdf, cmpPdf, false);
     }