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