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