diff --git a/tests/src/Functional/MasqueradeAccessTest.php b/tests/src/Functional/MasqueradeAccessTest.php
index 95825cc..102f570 100644
--- a/tests/src/Functional/MasqueradeAccessTest.php
+++ b/tests/src/Functional/MasqueradeAccessTest.php
@@ -2,8 +2,6 @@
 
 namespace Drupal\Tests\masquerade\Functional;
 
-use Drupal\user\Entity\User;
-
 /**
  * Tests masquerade access mechanism.
  *
@@ -37,11 +35,12 @@ class MasqueradeAccessTest extends MasqueradeWebTestBase {
    * - auth ! *
    */
   public function testAccess() {
-    $this->root_user = User::load(1);
+    $this->drupalLogin($this->rootUser);
+    $this->assertCanMasqueradeAs($this->admin_user);
 
     $this->drupalLogin($this->admin_user);
     // Permission 'masquerade as super user' granted by default.
-    $this->assertCanMasqueradeAs($this->root_user);
+    $this->assertCanMasqueradeAs($this->rootUser);
     // Permission 'masquerade as any user' granted by default.
     $this->assertCanMasqueradeAs($this->moderator_user);
     $this->assertCanMasqueradeAs($this->editor_user);
@@ -50,7 +49,7 @@ class MasqueradeAccessTest extends MasqueradeWebTestBase {
 
     // Test 'masquerade as any user' permission except UID 1.
     $this->drupalLogin($this->moderator_user);
-    $this->assertCanNotMasqueradeAs($this->root_user);
+    $this->assertCanNotMasqueradeAs($this->rootUser);
     $this->assertCanMasqueradeAs($this->admin_user);
     $this->assertCanMasqueradeAs($this->editor_user);
     $this->assertCanMasqueradeAs($this->masquerade_user);
@@ -58,7 +57,7 @@ class MasqueradeAccessTest extends MasqueradeWebTestBase {
 
     // Test 'masquerade as @role' permission.
     $this->drupalLogin($this->editor_user);
-    $this->assertCanNotMasqueradeAs($this->root_user);
+    $this->assertCanNotMasqueradeAs($this->rootUser);
     $this->assertCanNotMasqueradeAs($this->admin_user);
     $this->assertCanNotMasqueradeAs($this->moderator_user);
     $this->assertCanMasqueradeAs($this->masquerade_user);
@@ -66,7 +65,7 @@ class MasqueradeAccessTest extends MasqueradeWebTestBase {
 
     // Test 'masquerade as authenticated' permission.
     $this->drupalLogin($this->masquerade_user);
-    $this->assertCanNotMasqueradeAs($this->root_user);
+    $this->assertCanNotMasqueradeAs($this->rootUser);
     $this->assertCanNotMasqueradeAs($this->admin_user);
     $this->assertCanNotMasqueradeAs($this->moderator_user);
     $this->assertCanNotMasqueradeAs($this->editor_user);