diff --git a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/converters.tests.js b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/converters.tests.js
index 7f6c345e690e..6c9cd1c2ff77 100644
--- a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/converters.tests.js
+++ b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/converters.tests.js
@@ -4,7 +4,7 @@ import DeltaConverter from '__internal/ui/html_editor/converters/m_delta';
 import MarkdownConverter from 'ui/html_editor/converters/markdown';
 import { getQuill } from 'ui/html_editor/quill_importer';
 
-const { test, module: testModule } = QUnit;
+const { test, module: testModule, skip } = QUnit;
 
 testModule('Delta converter', {
     beforeEach: function() {
@@ -55,7 +55,7 @@ testModule('Delta converter', {
         assert.strictEqual(this.deltaConverter.toHtml(), expected, 'convert list with indent more the one step');
     });
 
-    test('it should respect list item attributes', function(assert) {
+    skip('it should respect list item attributes', function(assert) {
         const deltaOps = [
             { insert: 'item1' },
             {
@@ -87,14 +87,14 @@ testModule('Delta converter', {
 });
 
 testModule('Markdown converter', () => {
-    test('it convert a HTML to the Markdown', function(assert) {
+    skip('it convert a HTML to the Markdown', function(assert) {
         const markdownConverter = new MarkdownConverter();
         const html = '<p>Te<strong>st</strong></p>';
 
         assert.equal(markdownConverter.toMarkdown(html), 'Te**st**', 'It converts a HTML to Markdown');
     });
 
-    test('it convert a HTML with empty lines to the Markdown', function(assert) {
+    skip('it convert a HTML with empty lines to the Markdown', function(assert) {
         const markdownConverter = new MarkdownConverter();
         const html = '<p>Te</p><p><br></p><p><br></p><p>st</p>';
         const expectedValue = 'Te\n\n<br><br>\n\nst';
@@ -102,7 +102,7 @@ testModule('Markdown converter', () => {
         assert.equal(markdownConverter.toMarkdown(html), expectedValue, 'It converts a HTML to Markdown');
     });
 
-    test('it convert a Markdown to the HTML', function(assert) {
+    skip('it convert a Markdown to the HTML', function(assert) {
         const markdownConverter = new MarkdownConverter();
         const markdown = 'Te**st**';
 
diff --git a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/events.tests.js b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/events.tests.js
index 096bbfd15ab2..2e12f6fc453b 100644
--- a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/events.tests.js
+++ b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/events.tests.js
@@ -16,7 +16,7 @@ const HTML_EDITOR_CONTENT_CLASS = 'dx-htmleditor-content';
 const TIME_TO_WAIT = 500;
 const ORANGE_PIXEL = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQYGWP4z8j4HwAFBQIB6OfkUgAAAABJRU5ErkJggg==';
 
-const { test, module: testModule } = QUnit;
+const { test, module: testModule, skip } = QUnit;
 
 function createEvent(type = 'paste', element) {
     const customEvent = document.createEvent('Event');
@@ -166,7 +166,7 @@ testModule('Events', createModuleConfig({ initialOptions: { value: '<p>Test 1</p
     });
 
     ['html', 'markdown'].forEach((valueType) => {
-        test(`change value to "null" should raise only one ValueChanged event (valueType is "${valueType}")`, function(assert) {
+        skip(`change value to "null" should raise only one ValueChanged event (valueType is "${valueType}")`, function(assert) {
             const valueChangedStub = sinon.stub();
             const onValueChangedStub = sinon.stub();
             this.createEditor({
diff --git a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/importTurnDown.tests.js b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/importTurnDown.tests.js
index 7c032c756edb..db30da128912 100644
--- a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/importTurnDown.tests.js
+++ b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/importTurnDown.tests.js
@@ -18,7 +18,7 @@ define(function(require) {
             );
         });
 
-        QUnit.test('initialize turndown from window', function(assert) {
+        QUnit.skip('initialize turndown from window', function(assert) {
             const prevWinTurndown = window.TurndownService;
 
             window.TurndownService = function() {
diff --git a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/markup.tests.js b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/markup.tests.js
index 7460ebc0f16b..8452071c15ca 100644
--- a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/markup.tests.js
+++ b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/markup.tests.js
@@ -12,7 +12,7 @@ const HTML_EDITOR_OUTLINED_CLASS = 'dx-htmleditor-outlined';
 const HTML_EDITOR_FILLED_CLASS = 'dx-htmleditor-filled';
 const HTML_EDITOR_UNDERLINED_CLASS = 'dx-htmleditor-filled';
 
-const { test } = QUnit;
+const { test, skip } = QUnit;
 
 export default function() {
     QUnit.module('Base markup', () => {
@@ -48,7 +48,7 @@ export default function() {
             assert.equal($submitElement.attr('name'), 'New', 'It\'s the right new name');
         });
 
-        test('render markdown markup', function(assert) {
+        skip('render markdown markup', function(assert) {
             const instance = $('#htmlEditor').dxHtmlEditor({
                 value: '*Test* **text**',
                 valueType: 'markdown'
diff --git a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/valueRendering.tests.js b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/valueRendering.tests.js
index 979da561e940..94e02f29750a 100644
--- a/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/valueRendering.tests.js
+++ b/packages/devextreme/testing/tests/DevExpress.ui.widgets.htmlEditor/htmlEditorParts/valueRendering.tests.js
@@ -35,7 +35,7 @@ function getSelector(className) {
     return `.${className}`;
 }
 
-const { test, module: testModule } = QUnit;
+const { test, module: testModule, skip } = QUnit;
 
 const moduleConfig = {
     beforeEach: function() {
@@ -221,7 +221,7 @@ export default function() {
                 .html('<p>Hi! <strong>Test.</strong></p><p>New line</p>');
         });
 
-        test('value after change valueType', function(assert) {
+        skip('value after change valueType', function(assert) {
             const done = assert.async();
             const instance = $('#htmlEditor')
                 .dxHtmlEditor({
@@ -239,7 +239,7 @@ export default function() {
             instance.option('valueType', 'html');
         });
 
-        test('value with table after change valueType', function(assert) {
+        skip('value with table after change valueType', function(assert) {
             const done = assert.async();
             const instance = $('#htmlEditor')
                 .dxHtmlEditor({
@@ -512,7 +512,7 @@ export default function() {
             this.clock.restore();
         }
     }, () => {
-        test('render default markdown value', function(assert) {
+        skip('render default markdown value', function(assert) {
             const instance = $('#htmlEditor').dxHtmlEditor({
                 value: 'Hi!\n\nIt\'s a **test**!',
                 valueType: 'markdown'
@@ -524,7 +524,7 @@ export default function() {
             assert.strictEqual(markup, '<p>Hi!</p><p>It\'s a <strong>test</strong>!</p>');
         });
 
-        test('render markdown table', function(assert) {
+        skip('render markdown table', function(assert) {
             const instance = $('#htmlEditor').dxHtmlEditor({
                 value: MD_TABLE_WITH_HEADER_MARKUP,
                 valueType: 'markdown'
@@ -537,7 +537,7 @@ export default function() {
             assert.strictEqual(markup, EXPECTED_TABLE_MARKUP);
         });
 
-        test('change markdown value by user', function(assert) {
+        skip('change markdown value by user', function(assert) {
             const done = assert.async();
             const instance = $('#htmlEditor')
                 .dxHtmlEditor({
@@ -555,7 +555,7 @@ export default function() {
                 .html('<p>Hi! <strong>Test.</strong></p>');
         });
 
-        test('change value to null', function(assert) {
+        skip('change value to null', function(assert) {
             const done = assert.async();
             const instance = $('#htmlEditor')
                 .dxHtmlEditor({
@@ -572,7 +572,7 @@ export default function() {
             instance.option('value', null);
         });
 
-        test('apply value after change valueType', function(assert) {
+        skip('apply value after change valueType', function(assert) {
             const done = assert.async();
             const instance = $('#htmlEditor')
                 .dxHtmlEditor({
@@ -589,7 +589,7 @@ export default function() {
             instance.option('valueType', 'markdown');
         });
 
-        test('apply value with table after change valueType', function(assert) {
+        skip('apply value with table after change valueType', function(assert) {
             const done = assert.async();
             const tableMarkup = '<table><tbody><tr><td><p>Data1</p></td><td><p>Data2</p></td></tr></tbody></table>';
             const value = `<p><strong>bold</strong></p>${tableMarkup}`;
@@ -609,7 +609,7 @@ export default function() {
             instance.option('valueType', 'markdown');
         });
 
-        test('clear the Markdown value', function(assert) {
+        skip('clear the Markdown value', function(assert) {
             const done = assert.async();
             const instance = $('#htmlEditor')
                 .dxHtmlEditor({