/**
  * @depends testCreate
  * @param InstitutionUser $user
  */
 public function testFindbyId(InstitutionUser $user)
 {
     $id = $user->getAccountId();
     $retrievedUser = $this->service->findById($id);
     $this->assertNotNull($retrievedUser, "No InstitutionUser with AccountId = {$id}");
     // test invalid id
     $retrievedUser = $this->service->findById(time());
     $this->assertNull($retrievedUser);
 }