Issue #2079647 by claudiu.cristea: Convert UserSaveTest to a kernel test. Remove useless test

core/modules/user/tests/src/Functional/UserSaveTest.php → core/modules/user/tests/src/Kernel/UserSaveTest.php

 <?php
 
-namespace Drupal\Tests\user\Functional;
+namespace Drupal\Tests\user\Kernel;
 
-use Drupal\Tests\BrowserTestBase;
+use Drupal\KernelTests\KernelTestBase;
 use Drupal\user\Entity\User;
 
 /**
@@ -10,45 +10,23 @@
  *
  * @group user
  */
-class UserSaveTest extends BrowserTestBase {
+class UserSaveTest extends KernelTestBase {
 
   /**
-   * Test creating a user with arbitrary uid.
+   * {@inheritdoc}
    */
-  public function testUserImport() {
-    // User ID must be a number that is not in the database.
-
-    $uids = \Drupal::entityManager()->getStorage('user')->getQuery()
-      ->sort('uid', 'DESC')
-      ->range(0, 1)
-      ->execute();
-    $max_uid = reset($uids);
-    $test_uid = $max_uid + mt_rand(1000, 1000000);
-    $test_name = $this->randomMachineName();
-
-    // Create the base user, based on drupalCreateUser().
-    $user = User::create([
-      'name' => $test_name,
-      'uid' => $test_uid,
-      'mail' => $test_name . '@example.com',
-      'pass' => user_password(),
-      'status' => 1,
-    ]);
-    $user->enforceIsNew();
-    $user->save();
-
-    // Test if created user exists.
-    $user_by_uid = User::load($test_uid);
-    $this->assertTrue($user_by_uid, 'Loading user by uid.');
-
-    $user_by_name = user_load_by_name($test_name);
-    $this->assertTrue($user_by_name, 'Loading user by name.');
-  }
+  protected static $modules = [
+    'system',
+    'user',
+  ];
 
   /**
    * Ensures that an existing password is unset after the user was saved.
    */
   public function testExistingPasswordRemoval() {
+    $this->installSchema('system', ['sequences']);
+    $this->installEntitySchema('user');
+
     /** @var \Drupal\user\Entity\User $user */
     $user = User::create(['name' => $this->randomMachineName()]);
     $user->save();