trait ProfileTestTrait in Profile 8

trait ProfileTestTrait {

  /**
   * Creates a profile type for tests.
   *
   * @param string $id
   *   The profile type machine name.
   * @param string $label
   *   The profile type human display name.
   * @param bool $registration
   *   Boolean if profile type shows on registration form.
   * @param array $roles
   *   Array of user role machine names.
   *
   * @return \Drupal\profile\Entity\ProfileTypeInterface
   *   Returns a profile type entity.
   */
  protected function createProfileType($id = NULL, $label = NULL, $registration = FALSE, array $roles = []) {
    $id = !empty($id) ? $id : $this
      ->randomMachineName();
    $label = !empty($label) ? $label : $this
      ->randomMachineName();
    $type = ProfileType::create([
      'id' => $id,
      'label' => $label,
      'display_label' => $label,
      'registration' => $registration,
      'roles' => $roles,
    ]);
    $type
      ->save();
    return $type;
  }

  /**
   * Create a user, and optionally a profile.
   *
   * @param \Drupal\profile\Entity\ProfileTypeInterface $profile_type
   *   A profile type for the created profile entity.
   * @param \Drupal\user\UserInterface $user
   *   A user to create a profile.
   *
   * @return \Drupal\profile\Entity\ProfileInterface
   *   A profile for a user.
   */
  protected function createProfile(ProfileTypeInterface $profile_type, UserInterface $user) {
    $profile = Profile::create([
      'type' => $profile_type
        ->id(),
      'uid' => $user
        ->id(),
    ]);
    $profile
      ->save();
    return $profile;
  }

}