diff --git a/tests/phpunit/tests/rest-api/rest-server.php b/tests/phpunit/tests/rest-api/rest-server.php
index 9b6f0f50a1..8c514e9e66 100644
--- a/tests/phpunit/tests/rest-api/rest-server.php
+++ b/tests/phpunit/tests/rest-api/rest-server.php
@@ -211,7 +211,7 @@ class Tests_REST_Server extends WP_Test_REST_TestCase {
 	 * Pass a capability which the user does not have, this should
 	 * result in a 403 error.
 	 */
-	function test_rest_route_capability_authorization_fails() {
+	public function test_rest_route_capability_authorization_fails() {
 		register_rest_route(
 			'test-ns',
 			'/test',
@@ -233,7 +233,7 @@ class Tests_REST_Server extends WP_Test_REST_TestCase {
 	 * An editor should be able to get access to an route with the
 	 * edit_posts capability.
 	 */
-	function test_rest_route_capability_authorization() {
+	public function test_rest_route_capability_authorization() {
 		register_rest_route(
 			'test-ns',
 			'/test',
@@ -260,7 +260,7 @@ class Tests_REST_Server extends WP_Test_REST_TestCase {
 	 * An "Allow" HTTP header should be sent with a request
 	 * for all available methods on that route.
 	 */
-	function test_allow_header_sent() {
+	public function test_allow_header_sent() {
 
 		register_rest_route(
 			'test-ns',
@@ -287,7 +287,7 @@ class Tests_REST_Server extends WP_Test_REST_TestCase {
 	 * The "Allow" HTTP header should include all available
 	 * methods that can be sent to a route.
 	 */
-	function test_allow_header_sent_with_multiple_methods() {
+	public function test_allow_header_sent_with_multiple_methods() {
 
 		register_rest_route(
 			'test-ns',
@@ -325,7 +325,7 @@ class Tests_REST_Server extends WP_Test_REST_TestCase {
 	 * The "Allow" HTTP header should NOT include other methods
 	 * which the user does not have access to.
 	 */
-	function test_allow_header_send_only_permitted_methods() {
+	public function test_allow_header_send_only_permitted_methods() {
 
 		register_rest_route(
 			'test-ns',
@@ -1168,7 +1168,7 @@ class Tests_REST_Server extends WP_Test_REST_TestCase {
 	 *     }
 	 * }
 	 */
-	function data_rest_send_refreshed_nonce() {
+	public function data_rest_send_refreshed_nonce() {
 		return array(
 			array( true, true ),
 			array( true, false ),