diff --git a/tests/unit/CoreVideoTest.php b/tests/unit/CoreVideoTest.php
index e22b1706..91562de6 100644
--- a/tests/unit/CoreVideoTest.php
+++ b/tests/unit/CoreVideoTest.php
@@ -19,8 +19,10 @@ public function setUp(): void {
 					' ',
 					trim(
 						'
-							<!-- wp:video {"id":1636} -->
-							<figure class="wp-block-video"><video autoplay loop poster="http://mysite.local/wp-content/uploads/2023/05/pexels-egor-komarov-14420089-scaled.jpg" preload="auto" src="http://mysite.local/wp-content/uploads/2023/07/pexels_videos_1860684-1440p.mp4" playsinline></video></figure>
+							<!-- wp:video {"id":1636,"align":"wide","lock":{"move":true,"remove":true},"className":"test-css-class"} -->
+							<figure id="test-anchor" class="wp-block-video" style="margin-top:var(--wp--preset--spacing--50);margin-right:var(--wp--preset--spacing--50);margin-bottom:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)">
+							<video autoplay loop muted poster="http://mysite.local/wp-content/uploads/2023/05/pexels-egor-komarov-14420089-scaled.jpg" preload="auto" src="http://mysite.local/wp-content/uploads/2023/07/pexels_videos_1860684-1440p.mp4" playsinline></video>
+							<figcaption class="wp-element-caption">Sample caption</figcaption></figure>
 							<!-- /wp:video -->
 							'
 					)
@@ -48,11 +50,14 @@ public function test_retrieve_core_video_attributes() {
 						align
 						anchor
 						autoplay
+						className
+						lock
 						tracks
 						muted
 						caption
 						preload
 						src
+						style
 						playsInline
 						controls
 						loop
@@ -84,17 +89,20 @@ public function test_retrieve_core_video_attributes() {
 
 		$this->assertEquals(
 			[
-				'align'       => null,
-				'anchor'      => null,
+				'align'       => 'wide',
+				'anchor'      => 'test-anchor', 
 				'autoplay'    => null, // @todo : 'autoplay' should be true.
 				'tracks'      => [],
-				'muted'       => null,
-				'caption'     => null,
+				'muted'       => null, // @todo : 'muted' should be true.
+				'caption'     => 'Sample caption',
+				'className'   => 'test-css-class',
 				'preload'     => 'auto',
 				'src'         => 'http://mysite.local/wp-content/uploads/2023/07/pexels_videos_1860684-1440p.mp4',
+				'style'       => null, // @todo : 'style' should be '{\"spacing\":{\"margin\":{\"top\":\"var:preset|spacing|50\",\"bottom\":\"var:preset|spacing|50\",\"left\":\"var:preset|spacing|50\",\"right\":\"var:preset|spacing|50\"}}}'.
 				'playsInline' => null, // @todo : 'playsInline' should be true.
 				'controls'    => true,
 				'loop'        => null, // @todo : 'loop' should be true.
+				'lock'        => wp_json_encode( [ 'move' => true, 'remove' => true ] ),
 				'poster'      => 'http://mysite.local/wp-content/uploads/2023/05/pexels-egor-komarov-14420089-scaled.jpg',
 				'id'          => 1636.0,
 			],