diff --git a/phpunit/class-gutenberg-rest-template-controller-test.php b/phpunit/class-gutenberg-rest-template-controller-test.php
index 4fc3b5407e06e9..773974cf90e5e5 100644
--- a/phpunit/class-gutenberg-rest-template-controller-test.php
+++ b/phpunit/class-gutenberg-rest-template-controller-test.php
@@ -76,6 +76,7 @@ function find_and_normalize_template_by_id( $templates, $id ) {
 				'type'           => 'wp_template',
 				'wp_id'          => null,
 				'has_theme_file' => true,
+				'author'         => null,
 			),
 			find_and_normalize_template_by_id( $data, 'tt1-blocks//index' )
 		);
@@ -101,6 +102,7 @@ function find_and_normalize_template_by_id( $templates, $id ) {
 				'wp_id'          => null,
 				'area'           => WP_TEMPLATE_PART_AREA_HEADER,
 				'has_theme_file' => true,
+				'author'         => null,
 			),
 			find_and_normalize_template_by_id( $data, 'tt1-blocks//header' )
 		);
@@ -129,6 +131,7 @@ public function test_get_item() {
 				'type'           => 'wp_template',
 				'wp_id'          => null,
 				'has_theme_file' => true,
+				'author'         => null,
 			),
 			$data
 		);
@@ -155,6 +158,7 @@ public function test_get_item() {
 				'wp_id'          => null,
 				'area'           => WP_TEMPLATE_PART_AREA_HEADER,
 				'has_theme_file' => true,
+				'author'         => null,
 			),
 			$data
 		);
@@ -193,6 +197,7 @@ public function test_create_item() {
 					'raw' => 'Content',
 				),
 				'has_theme_file' => false,
+				'author'         => 2,
 			),
 			$data
 		);
@@ -231,6 +236,7 @@ public function test_create_item() {
 				),
 				'area'           => 'header',
 				'has_theme_file' => false,
+				'author'         => 2,
 			),
 			$data
 		);