diff --git a/tests/phpunit/tests/admin/includesFile.php b/tests/phpunit/tests/admin/includesFile.php
index eb6cc7c826..421137bc14 100644
--- a/tests/phpunit/tests/admin/includesFile.php
+++ b/tests/phpunit/tests/admin/includesFile.php
@@ -291,6 +291,9 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 	 * @covers ::download_url
 	 */
 	public function test_download_url_no_warning_for_url_without_path() {
+		// Hook a mocked HTTP request response.
+		add_filter( 'pre_http_request', array( $this, 'mock_http_request' ), 10, 3 );
+
 		$result = download_url( 'https://example.com' );
 
 		$this->assertIsString( $result );
@@ -306,6 +309,9 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 	 * @covers ::download_url
 	 */
 	public function test_download_url_no_warning_for_url_without_path_with_signature_verification() {
+		// Hook a mocked HTTP request response.
+		add_filter( 'pre_http_request', array( $this, 'mock_http_request' ), 10, 3 );
+
 		add_filter(
 			'wp_signature_hosts',
 			static function( $urls ) {
@@ -326,4 +332,24 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 		$this->assertWPError( $error );
 		$this->assertSame( 'signature_verification_no_signature', $error->get_error_code() );
 	}
+
+	/**
+	 * Mock the HTTP request response.
+	 *
+	 * @param bool   $false     False.
+	 * @param array  $arguments Request arguments.
+	 * @param string $url       Request URL.
+	 * @return array|bool
+	 */
+	public function mock_http_request( $false, $arguments, $url ) {
+		if ( 'https://example.com' === $url ) {
+			return array(
+				'response' => array(
+					'code' => 200,
+				),
+			);
+		}
+
+		return $false;
+	}
 }
diff --git a/tests/phpunit/tests/functions/doEnclose.php b/tests/phpunit/tests/functions/doEnclose.php
index 5c8a42089f..a72b603061 100644
--- a/tests/phpunit/tests/functions/doEnclose.php
+++ b/tests/phpunit/tests/functions/doEnclose.php
@@ -25,7 +25,7 @@ class Tests_Functions_DoEnclose extends WP_UnitTestCase {
 	 */
 	public function set_up() {
 		parent::set_up();
-		add_filter( 'pre_http_request', array( $this, 'fake_http_request' ), 10, 3 );
+		add_filter( 'pre_http_request', array( $this, 'mock_http_request' ), 10, 3 );
 	}
 
 	/**
@@ -250,17 +250,16 @@ class Tests_Functions_DoEnclose extends WP_UnitTestCase {
 	}
 
 	/**
-	 * Fake the HTTP request response.
+	 * Mock the HTTP request response.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @param bool   $false     False.
 	 * @param array  $arguments Request arguments.
 	 * @param string $url       Request URL.
-	 *
 	 * @return array            Header.
 	 */
-	public function fake_http_request( $false, $arguments, $url ) {
+	public function mock_http_request( $false, $arguments, $url ) {
 
 		// Video and audio headers.
 		$fake_headers = array(
diff --git a/tests/phpunit/tests/http/wpGetHttpHeaders.php b/tests/phpunit/tests/http/wpGetHttpHeaders.php
index 4b7b867a49..b462d7d8da 100644
--- a/tests/phpunit/tests/http/wpGetHttpHeaders.php
+++ b/tests/phpunit/tests/http/wpGetHttpHeaders.php
@@ -12,8 +12,8 @@ class Tests_HTTP_wpGetHttpHeaders extends WP_UnitTestCase {
 	public function set_up() {
 		parent::set_up();
 
-		// Hook a fake HTTP request response.
-		add_filter( 'pre_http_request', array( $this, 'fake_http_request' ), 10, 3 );
+		// Hook a mocked HTTP request response.
+		add_filter( 'pre_http_request', array( $this, 'mock_http_request' ), 10, 3 );
 	}
 
 	/**
@@ -47,10 +47,9 @@ class Tests_HTTP_wpGetHttpHeaders extends WP_UnitTestCase {
 	 * @param bool   $false     False.
 	 * @param array  $arguments Request arguments.
 	 * @param string $url       Request URL.
-	 *
 	 * @return array|bool
 	 */
-	public function fake_http_request( $false, $arguments, $url ) {
+	public function mock_http_request( $false, $arguments, $url ) {
 		if ( 'http://example.com' === $url ) {
 			return array( 'headers' => true );
 		}