public function testKeepEmptySecondNameWhenSpecified()
 {
     $this->passholder->secondName = '';
     $this->passholder->toPostDataKeepEmptySecondName();
     $postData = $this->passholder->toPostData();
     $this->assertArrayNotHasKey('postDataEmptyPropertiesToKeep', $postData);
     $this->assertArrayHasKey('secondName', $postData);
     $this->assertEquals($this->passholder->secondName, $postData['secondName']);
     $this->passholder->toPostDataKeepEmptySecondName(FALSE);
     $postData = $this->passholder->toPostData();
     $this->assertArrayNotHasKey('secondName', $postData);
 }