diff --git a/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.html b/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.html
index 3089bdbdfd11f0..730b548ce40f4f 100644
--- a/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.html
+++ b/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.html
@@ -1,3 +1,3 @@
 <!-- wp:file {"href":"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf","displayPreview":true,"previewHeight":370} -->
-<div class="wp-block-file"><object class="wp-block-file__embed" data="http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf" type="application/pdf" style="width:100%;height:370px" aria-label="Embed of yolo."></object><a href="http://localhost:8888/wp-content/uploads/2021/04/yolo.pdf">yolo</a><a href="http://localhost:8888/wp-content/uploads/2021/04/yolo.pdf" class="wp-block-file__button" download>Download</a></div>
+<div class="wp-block-file"><object class="wp-block-file__embed" data="http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf" type="application/pdf" style="width:100%;height:370px" aria-label="Embed of yolo."></object><a href="http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf">yolo</a><a href="http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf" class="wp-block-file__button" download>Download</a></div>
 <!-- /wp:file -->
diff --git a/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.json b/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.json
index 988f43c1efaa7b..51523267262c2c 100644
--- a/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.json
+++ b/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.json
@@ -1,11 +1,11 @@
 [
 	{
 		"name": "core/file",
-		"isValid": false,
+		"isValid": true,
 		"attributes": {
 			"href": "http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf",
 			"fileName": "yolo",
-			"textLinkHref": "http://localhost:8888/wp-content/uploads/2021/04/yolo.pdf",
+			"textLinkHref": "http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf",
 			"showDownloadButton": true,
 			"downloadButtonText": "Download",
 			"displayPreview": true,
diff --git a/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.parsed.json b/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.parsed.json
index ae8dce868bad96..8f1414a94af1e4 100644
--- a/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.parsed.json
+++ b/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.parsed.json
@@ -7,9 +7,9 @@
 			"previewHeight": 370
 		},
 		"innerBlocks": [],
-		"innerHTML": "\n<div class=\"wp-block-file\"><object class=\"wp-block-file__embed\" data=\"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf\" type=\"application/pdf\" style=\"width:100%;height:370px\" aria-label=\"Embed of yolo.\"></object><a href=\"http://localhost:8888/wp-content/uploads/2021/04/yolo.pdf\">yolo</a><a href=\"http://localhost:8888/wp-content/uploads/2021/04/yolo.pdf\" class=\"wp-block-file__button\" download>Download</a></div>\n",
+		"innerHTML": "\n<div class=\"wp-block-file\"><object class=\"wp-block-file__embed\" data=\"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf\" type=\"application/pdf\" style=\"width:100%;height:370px\" aria-label=\"Embed of yolo.\"></object><a href=\"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf\">yolo</a><a href=\"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf\" class=\"wp-block-file__button\" download>Download</a></div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-file\"><object class=\"wp-block-file__embed\" data=\"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf\" type=\"application/pdf\" style=\"width:100%;height:370px\" aria-label=\"Embed of yolo.\"></object><a href=\"http://localhost:8888/wp-content/uploads/2021/04/yolo.pdf\">yolo</a><a href=\"http://localhost:8888/wp-content/uploads/2021/04/yolo.pdf\" class=\"wp-block-file__button\" download>Download</a></div>\n"
+			"\n<div class=\"wp-block-file\"><object class=\"wp-block-file__embed\" data=\"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf\" type=\"application/pdf\" style=\"width:100%;height:370px\" aria-label=\"Embed of yolo.\"></object><a href=\"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf\">yolo</a><a href=\"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf\" class=\"wp-block-file__button\" download>Download</a></div>\n"
 		]
 	}
 ]
diff --git a/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.serialized.html b/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.serialized.html
index 3089bdbdfd11f0..730b548ce40f4f 100644
--- a/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.serialized.html
+++ b/test/integration/fixtures/blocks/core__file__pdf-preview__deprecated-1.serialized.html
@@ -1,3 +1,3 @@
 <!-- wp:file {"href":"http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf","displayPreview":true,"previewHeight":370} -->
-<div class="wp-block-file"><object class="wp-block-file__embed" data="http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf" type="application/pdf" style="width:100%;height:370px" aria-label="Embed of yolo."></object><a href="http://localhost:8888/wp-content/uploads/2021/04/yolo.pdf">yolo</a><a href="http://localhost:8888/wp-content/uploads/2021/04/yolo.pdf" class="wp-block-file__button" download>Download</a></div>
+<div class="wp-block-file"><object class="wp-block-file__embed" data="http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf" type="application/pdf" style="width:100%;height:370px" aria-label="Embed of yolo."></object><a href="http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf">yolo</a><a href="http://localhost:8889/wp-content/uploads/2021/04/yolo.pdf" class="wp-block-file__button" download>Download</a></div>
 <!-- /wp:file -->