diff --git a/packages/turndown-plugin-gfm/test/index.html b/packages/turndown-plugin-gfm/test/index.html
index 7eb78a264..7f32ba236 100644
--- a/packages/turndown-plugin-gfm/test/index.html
+++ b/packages/turndown-plugin-gfm/test/index.html
@@ -74,10 +74,10 @@
       </thead>
       <tbody>
         <tr>
-          <td>Row 1, Column 1</td>
-          <td>Row 1, Column 2</td>
-          <td>Row 1, Column 3</td>
-          <td>Row 1, Column 4</td>
+          <td align="left">Row 1, Column 1</td>
+          <td align="center">Row 1, Column 2</td>
+          <td align="right">Row 1, Column 3</td>
+          <td align="foo">Row 1, Column 4</td>
         </tr>
         <tr>
           <td>Row 2, Column 1</td>
@@ -89,7 +89,7 @@
     </table>
   </div>
   <pre class="expected">| Column 1 | Column 2 | Column 3 | Column 4 |
-| :-- | :-: | --: | --- |
+| :--- | :---: | ---: | --- |
 | Row 1, Column 1 | Row 1, Column 2 | Row 1, Column 3 | Row 1, Column 4 |
 | Row 2, Column 1 | Row 2, Column 2 | Row 2, Column 3 | Row 2, Column 4 |</pre>
 </div>
@@ -140,12 +140,12 @@
     </table>
 </div>
 <pre class="expected">| Column 1 | Column 2 | Column 3 | Column 4 |
-| :-- | :-: | --: | --- |
-|  | Row 1, Column 2 | Row 1, Column 3 | Row 1, Column 4 |
-| Row 2, Column 1 |  | Row 2, Column 3 | Row 2, Column 4 |
-| Row 3, Column 1 | Row 3, Column 2 |  | Row 3, Column 4 |
-| Row 4, Column 1 | Row 4, Column 2 | Row 4, Column 3 |  |
-|  |  |  | Row 5, Column 4 |</pre>
+| --- | --- | --- | --- |
+|     | Row 1, Column 2 | Row 1, Column 3 | Row 1, Column 4 |
+| Row 2, Column 1 |     | Row 2, Column 3 | Row 2, Column 4 |
+| Row 3, Column 1 | Row 3, Column 2 |     | Row 3, Column 4 |
+| Row 4, Column 1 | Row 4, Column 2 | Row 4, Column 3 |     |
+|     |     |     | Row 5, Column 4 |</pre>
 </div>
 
 <div class="case" data-name="empty rows">
@@ -174,6 +174,7 @@
 <pre class="expected">| Heading 1 | Heading 2 |
 | --- | --- |
 | Row 1 | Row 1 |
+|     |     |
 | Row 3 | Row 3 |</pre>
 </div>
 
@@ -258,7 +259,9 @@
       <tbody><tr><th>Heading</th></tr></tbody>
     </table>
   </div>
-  <pre class="expected">| Heading |
+  <pre class="expected">|     |
+| --- |
+| Heading |
 | --- |</pre>
 </div>