diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-6.json b/test/integration/fixtures/blocks/core__cover__deprecated-6.json
index cf7f423c720e9..430339b2fe02c 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-6.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-6.json
@@ -72,9 +72,8 @@
 			"hasParallax": false,
 			"dimRatio": 50,
 			"backgroundType": "image",
-			"contentPosition": "bottom right",
-			"isDark": true,
 			"isRepeated": false,
+			"contentPosition": "bottom right",
 			"alt": ""
 		},
 		"innerBlocks": [
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-6.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-6.serialized.html
index 5ef5061a2ed26..a63cb1375d2ea 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-6.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-6.serialized.html
@@ -13,7 +13,7 @@
 <!-- /wp:cover -->
 
 <!-- wp:cover {"url":"http://localhost:8888/wp-content/uploads/2021/02/percy.jpg","id":134,"dimRatio":50,"contentPosition":"bottom right"} -->
-<div class="wp-block-cover has-custom-content-position is-position-bottom-right"><span aria-hidden="true" class="wp-block-cover__gradient-background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-134" alt="" src="http://localhost:8888/wp-content/uploads/2021/02/percy.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light has-custom-content-position is-position-bottom-right"><span aria-hidden="true" class="wp-block-cover__gradient-background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-134" alt="" src="http://localhost:8888/wp-content/uploads/2021/02/percy.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
 <p class="has-text-align-center has-large-font-size">test</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-7.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-7.serialized.html
index 980b76a4d70b6..0a5309cfd3012 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-7.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-7.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","dimRatio":40} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="has-background-dim-40 wp-block-cover__gradient-background has-background-dim"></span><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="has-background-dim-40 wp-block-cover__gradient-background has-background-dim"></span><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
 <p class="has-text-align-center has-large-font-size">
 			Guten Berg!
 		</p>