generateShortcutSet example

\Drupal::entityTypeManager()->getStorage('shortcut')->resetCache();
    // Check to ensure that the shortcut weights have changed and that     // ShortcutSet::.getShortcuts() returns shortcuts in the new order.     $this->assertSame(array_reverse(array_keys($shortcuts)), array_keys($set->getShortcuts()));
  }

  /** * Tests switching a user's own shortcut set. */
  public function testShortcutSetSwitchOwn() {
    $new_set = $this->generateShortcutSet($this->randomMachineName());

    // Attempt to switch the default shortcut set to the newly created shortcut     // set.     $this->drupalGet('user/' . $this->adminUser->id() . '/shortcuts');
    $this->submitForm(['set' => $new_set->id()], 'Change set');
    $this->assertSession()->statusCodeEquals(200);
    $current_set = shortcut_current_displayed_set($this->adminUser);
    $this->assertSame($current_set->id(), $new_set->id(), 'Successfully switched own shortcut set.');
  }

  /** * Tests switching another user's shortcut set. */