only in patch2:
unchanged:
--- a/core/modules/content_moderation/tests/src/Functional/ModerationFormTest.php
+++ b/core/modules/content_moderation/tests/src/Functional/ModerationFormTest.php
@@ -80,6 +80,17 @@ public function testModerationForm() {
     $this->assertResponse(200);
     $this->assertField('edit-new-state', 'The node view page has a moderation form.');
 
+    // Preview the draft.
+    $this->drupalPostForm($edit_path, [
+      'body[0][value]' => 'Second version of the content.',
+      'moderation_state[0][state]' => 'draft',
+    ], t('Preview'));
+
+    // The preview view should not have a moderation form.
+    $this->drupalGet($canonical_path);
+    $this->assertResponse(200);
+    $this->assertNoField('edit-new-state', 'The node preview page has no moderation form.');
+
     // The latest version page should not show, because there is still no
     // pending revision.
     $this->drupalGet($latest_version_path);