public function testActivate()
{
$this->user->activate();
$this->assertEquals('*****@*****.**', $this->user->getEmail());
$this->assertEquals('john', $this->user->getUsername());
$this->assertEquals('John', $this->user->getName());
$this->assertEquals('Smith', $this->user->getSurname());
$this->assertNotEmpty($this->user->getPassword());
$this->assertEmpty($this->user->getCode());
$this->assertFalse($this->user->isFrozen());
$this->assertInstanceOf(DateTime::class, $this->user->getCreatedAt());
$this->assertInstanceOf(ReadOnlyCollectionWrapper::class, $this->user->getRoles());
}