removed print calls and fix no expect in test

lib/src/packages/quill_markdown/markdown_to_delta.dart

@@ -1,6 +1,5 @@
 import 'dart:collection';
 import 'dart:convert';
-import 'dart:math';
 
 import 'package:collection/collection.dart';
 import 'package:markdown/markdown.dart' as md;
@@ -125,7 +124,6 @@ class MarkdownToDelta extends Converter<String, Delta>
     _topLevelNodes.addAll(mdNodes);
 
     for (final node in mdNodes) {
-      print(node.toString());
       node.accept(this);
     }
 
@@ -178,8 +176,6 @@ class MarkdownToDelta extends Converter<String, Delta>
 
   @override
   bool visitElementBefore(md.Element element) {
-    print(
-        'Visit before: [tag: ${element.tag}, attributes: ${element.attributes}]');
     _insertNewLineBeforeElementIfNeeded(element);
 
     final tag = element.tag;
@@ -212,9 +208,6 @@ class MarkdownToDelta extends Converter<String, Delta>
   void visitElementAfter(md.Element element) {
     final tag = element.tag;
 
-    print(
-        'Visit after: [tag: ${element.tag}, attributes: ${element.attributes}]');
-
     if (_isEmbedElement(element)) {
       _delta.insert(_toEmbeddable(element).toJson());
     }

lib/src/utils/html2md_utils.dart

@@ -6,6 +6,11 @@ import 'package:markdown/src/ast.dart' as ast;
 import 'package:markdown/src/util.dart' as util;
 import 'package:meta/meta.dart';
 
+// [ character
+const int $lbracket = 0x5B;
+final RegExp youtubeVideoUrlValidator = RegExp(
+    r'^(?:https?:)?(?:\/\/)?(?:youtu\.be\/|(?:www\.|m\.)?youtube\.com\/(?:watch|v|embed)(?:\.php)?(?:\?.*v=|\/))([a-zA-Z0-9\_-]{7,15})(?:[\?&][a-zA-Z0-9\_-]+=[a-zA-Z0-9\_-]+)*(?:[&\/\#].*)?$');
+
 ///Local syntax implementation for underline
 class UnderlineSyntax extends md.DelimiterSyntax {
   UnderlineSyntax()
@@ -17,11 +22,6 @@ class UnderlineSyntax extends md.DelimiterSyntax {
         );
 }
 
-// [ character
-const int $lbracket = 0x5B;
-final RegExp youtubeVideoUrlValidator = RegExp(
-    r'^(?:https?:)?(?:\/\/)?(?:youtu\.be\/|(?:www\.|m\.)?youtube\.com\/(?:watch|v|embed)(?:\.php)?(?:\?.*v=|\/))([a-zA-Z0-9\_-]{7,15})(?:[\?&][a-zA-Z0-9\_-]+=[a-zA-Z0-9\_-]+)*(?:[&\/\#].*)?$');
-
 class VideoSyntax extends md.LinkSyntax {
   VideoSyntax({super.linkResolver})
       : super(

test/utils/delta_x_test.dart

@@ -25,6 +25,11 @@ void main() {
     Operation.insert('\n'),
   ]);
 
+  final expectedDeltaVideo = Delta.fromOperations([
+    Operation.insert({'video': 'https://www.youtube.com/embed/dQw4w9WgXcQ'}),
+    Operation.insert('\n'),
+  ]);
+
   test('should detect emphasis and parse correctly', () {
     final delta = DeltaX.fromHtml(htmlWithEmp);
     expect(delta, expectedDeltaEmp);
@@ -37,6 +42,6 @@ void main() {
 
   test('should detect video and parse correctly', () {
     final delta = DeltaX.fromHtml(htmlWithVideo);
-    print(delta);
+    expect(delta, expectedDeltaVideo);
   });
 }