setExpirationDate() public method

Sets the date on which this account will become inactive
public setExpirationDate ( DateTime $expirationDate = null ) : void
$expirationDate DateTime
return void
 /**
  * @test
  */
 public function isActiveReturnsFalseIfTheAccountHasAnExpirationDateInThePast()
 {
     $this->inject($this->account, 'now', new \DateTime());
     $this->account->setExpirationDate(new \DateTime('yesterday'));
     $this->assertFalse($this->account->isActive());
 }