--- /dev/null
+<?php
+
+namespace Drupal\Tests\user\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+use Drupal\user\Entity\User;
+
+/**
+ * Tests account deleting of users.
+ *
+ * @group user
+ */
+class UserDeleteTest extends BrowserTestBase {
+
+ /**
+ * Test deleting multiple users.
+ */
+ public function testUserDeleteMultiple() {
+ // Create a few users with permissions, so roles will be created.
+ $user_a = $this->drupalCreateUser(['access user profiles']);
+ $user_b = $this->drupalCreateUser(['access user profiles']);
+ $user_c = $this->drupalCreateUser(['access user profiles']);
+
+ $uids = [$user_a->id(), $user_b->id(), $user_c->id()];
+
+ // These users should have a role
+ $query = db_select('user__roles', 'r');
+ $roles_created = $query
+ ->fields('r', ['entity_id'])
+ ->condition('entity_id', $uids, 'IN')
+ ->countQuery()
+ ->execute()
+ ->fetchField();
+
+ $this->assertTrue($roles_created > 0, 'Role assignments created for new users and deletion of role assignments can be tested');
+ // We should be able to load one of the users.
+ $this->assertTrue(User::load($user_a->id()), 'User is created and deletion of user can be tested');
+ // Delete the users.
+ user_delete_multiple($uids);
+ // Test if the roles assignments are deleted.
+ $query = db_select('user__roles', 'r');
+ $roles_after_deletion = $query
+ ->fields('r', ['entity_id'])
+ ->condition('entity_id', $uids, 'IN')
+ ->countQuery()
+ ->execute()
+ ->fetchField();
+ $this->assertTrue($roles_after_deletion == 0, 'Role assignments deleted along with users');
+ // Test if the users are deleted, User::load() will return NULL.
+ $this->assertNull(User::load($user_a->id()), format_string('User with id @uid deleted.', ['@uid' => $user_a->id()]));
+ $this->assertNull(User::load($user_b->id()), format_string('User with id @uid deleted.', ['@uid' => $user_b->id()]));
+ $this->assertNull(User::load($user_c->id()), format_string('User with id @uid deleted.', ['@uid' => $user_c->id()]));
+ }
+
+}