/**
  * @return void
  */
 public function testUser()
 {
     $this->AuthUser->Auth->expects($this->any())->method('user')->with(null)->will($this->returnValue(['id' => '1', 'username' => 'foo']));
     $this->assertSame(['id' => '1', 'username' => 'foo'], $this->AuthUser->user());
     $this->assertSame('foo', $this->AuthUser->user('username'));
     $this->assertNull($this->AuthUser->user('foofoo'));
 }