diff --git a/test/integration/fixtures/apple-out.html b/test/integration/fixtures/apple-out.html
index f040d382352910..f10d4d526e6b36 100644
--- a/test/integration/fixtures/apple-out.html
+++ b/test/integration/fixtures/apple-out.html
@@ -19,7 +19,7 @@
 <!-- /wp:list -->
 
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
 <!-- /wp:table -->
 
 <!-- wp:paragraph -->
diff --git a/test/integration/fixtures/evernote-out.html b/test/integration/fixtures/evernote-out.html
index 32d2deb7648970..ccaa919c211a71 100644
--- a/test/integration/fixtures/evernote-out.html
+++ b/test/integration/fixtures/evernote-out.html
@@ -15,7 +15,7 @@
 <!-- /wp:separator -->
 
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>Four</td><td>Five</td><td>Six</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>Four</td><td>Five</td><td>Six</td></tr></tbody></table></figure>
 <!-- /wp:table -->
 
 <!-- wp:image -->
diff --git a/test/integration/fixtures/google-docs-out.html b/test/integration/fixtures/google-docs-out.html
index 54a1e07ac1349a..98a9bff45fbb24 100644
--- a/test/integration/fixtures/google-docs-out.html
+++ b/test/integration/fixtures/google-docs-out.html
@@ -19,7 +19,7 @@ <h2>This is a <em>heading</em></h2>
 <!-- /wp:list -->
 
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
 <!-- /wp:table -->
 
 <!-- wp:separator -->
diff --git a/test/integration/fixtures/google-docs-table-out.html b/test/integration/fixtures/google-docs-table-out.html
index fbca760d25258b..07fe4106f3a6a7 100644
--- a/test/integration/fixtures/google-docs-table-out.html
+++ b/test/integration/fixtures/google-docs-table-out.html
@@ -1,3 +1,3 @@
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
 <!-- /wp:table -->
diff --git a/test/integration/fixtures/google-docs-table-with-comments-out.html b/test/integration/fixtures/google-docs-table-with-comments-out.html
index fbca760d25258b..07fe4106f3a6a7 100644
--- a/test/integration/fixtures/google-docs-table-with-comments-out.html
+++ b/test/integration/fixtures/google-docs-table-with-comments-out.html
@@ -1,3 +1,3 @@
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
 <!-- /wp:table -->
diff --git a/test/integration/fixtures/google-docs-with-comments-out.html b/test/integration/fixtures/google-docs-with-comments-out.html
index 54a1e07ac1349a..98a9bff45fbb24 100644
--- a/test/integration/fixtures/google-docs-with-comments-out.html
+++ b/test/integration/fixtures/google-docs-with-comments-out.html
@@ -19,7 +19,7 @@ <h2>This is a <em>heading</em></h2>
 <!-- /wp:list -->
 
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
 <!-- /wp:table -->
 
 <!-- wp:separator -->
diff --git a/test/integration/fixtures/markdown-out.html b/test/integration/fixtures/markdown-out.html
index dc064b3c12f003..5e4ddca850da3e 100644
--- a/test/integration/fixtures/markdown-out.html
+++ b/test/integration/fixtures/markdown-out.html
@@ -27,11 +27,11 @@ <h2>Table</h2>
 <!-- /wp:heading -->
 
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><thead><tr><th>First Header</th><th>Second Header</th></tr></thead><tbody><tr><td>Content from cell 1</td><td>Content from cell 2</td></tr><tr><td>Content in the first column</td><td>Content in the second column</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><thead><tr><th>First Header</th><th>Second Header</th></tr></thead><tbody><tr><td>Content from cell 1</td><td>Content from cell 2</td></tr><tr><td>Content in the first column</td><td>Content in the second column</td></tr></tbody></table></figure>
 <!-- /wp:table -->
 
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><thead><tr><th></th><th></th></tr></thead><tbody><tr><td></td><td>Table with empty cells.</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><thead><tr><th></th><th></th></tr></thead><tbody><tr><td></td><td>Table with empty cells.</td></tr></tbody></table></figure>
 <!-- /wp:table -->
 
 <!-- wp:heading -->
diff --git a/test/integration/fixtures/ms-word-online-out.html b/test/integration/fixtures/ms-word-online-out.html
index 798881e8c0151b..d3aaeb98e302fa 100644
--- a/test/integration/fixtures/ms-word-online-out.html
+++ b/test/integration/fixtures/ms-word-online-out.html
@@ -15,7 +15,7 @@
 <!-- /wp:list -->
 
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><tbody><tr><td>One&nbsp;</td><td>Two&nbsp;</td><td>Three&nbsp;</td></tr><tr><td>1&nbsp;</td><td>2&nbsp;</td><td>3&nbsp;</td></tr><tr><td>I&nbsp;</td><td>II&nbsp;</td><td>III&nbsp;</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><tbody><tr><td>One&nbsp;</td><td>Two&nbsp;</td><td>Three&nbsp;</td></tr><tr><td>1&nbsp;</td><td>2&nbsp;</td><td>3&nbsp;</td></tr><tr><td>I&nbsp;</td><td>II&nbsp;</td><td>III&nbsp;</td></tr></tbody></table></figure>
 <!-- /wp:table -->
 
 <!-- wp:paragraph -->
diff --git a/test/integration/fixtures/ms-word-out.html b/test/integration/fixtures/ms-word-out.html
index 79871a73e6a3fe..fba58fd4fb9dda 100644
--- a/test/integration/fixtures/ms-word-out.html
+++ b/test/integration/fixtures/ms-word-out.html
@@ -27,7 +27,7 @@ <h2>This is a heading level 2</h2>
 <!-- /wp:list -->
 
 <!-- wp:table -->
-<figure class="wp-block-table"><table class=""><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
+<figure class="wp-block-table"><table><tbody><tr><td>One</td><td>Two</td><td>Three</td></tr><tr><td>1</td><td>2</td><td>3</td></tr><tr><td>I</td><td>II</td><td>III</td></tr></tbody></table></figure>
 <!-- /wp:table -->
 
 <!-- wp:paragraph -->