diff --git a/tests/phpunit/includes/bootstrap.php b/tests/phpunit/includes/bootstrap.php
index 575954bb52..a9627c4c47 100644
--- a/tests/phpunit/includes/bootstrap.php
+++ b/tests/phpunit/includes/bootstrap.php
@@ -37,6 +37,7 @@ define( 'WP_MAX_MEMORY_LIMIT', -1 );
 
 $_SERVER['SERVER_PROTOCOL'] = 'HTTP/1.1';
 $_SERVER['HTTP_HOST'] = WP_TESTS_DOMAIN;
+$_SERVER['REQUEST_METHOD'] = 'GET';
 $PHP_SELF = $GLOBALS['PHP_SELF'] = $_SERVER['PHP_SELF'] = '/index.php';
 
 if ( "1" == getenv( 'WP_MULTISITE' ) ||
diff --git a/tests/phpunit/includes/install.php b/tests/phpunit/includes/install.php
index 592e3808d6..d05bc4443f 100644
--- a/tests/phpunit/includes/install.php
+++ b/tests/phpunit/includes/install.php
@@ -15,6 +15,7 @@ require_once dirname( __FILE__ ) . '/functions.php';
 
 $_SERVER['SERVER_PROTOCOL'] = 'HTTP/1.1';
 $_SERVER['HTTP_HOST'] = WP_TESTS_DOMAIN;
+$_SERVER['REQUEST_METHOD'] = 'GET';
 $PHP_SELF = $GLOBALS['PHP_SELF'] = $_SERVER['PHP_SELF'] = '/index.php';
 
 require_once ABSPATH . '/wp-settings.php';
diff --git a/tests/phpunit/tests/auth.php b/tests/phpunit/tests/auth.php
index 8a3f6d9298..120d8fcbe1 100644
--- a/tests/phpunit/tests/auth.php
+++ b/tests/phpunit/tests/auth.php
@@ -10,8 +10,6 @@ class Tests_Auth extends WP_UnitTestCase {
 	function setUp() {
 		parent::setUp();
 		$this->user_id = $this->factory->user->create();
-
-		$_SERVER['REQUEST_METHOD'] = null;
 	}
 
 	function test_auth_cookie_valid() {