public function testAllowsSettingSearchParamsAsJson()
 {
     $arrayValue = ['test' => 'works'];
     $arrayExpect = \Zend\Json\Json::encode($arrayValue);
     $traversableValue = new \ArrayIterator($arrayValue);
     $traversableExpect = \Zend\Json\Json::encode($arrayValue);
     $this->assertSame($this->target, $this->target->setSearchParams($arrayValue), 'breaks fluent interface.');
     $this->assertEquals($arrayExpect, $this->target->getAttribute('data-search-params'), 'Setting array failed.');
     $this->target->setSearchParams($traversableValue);
     $this->assertEquals($traversableExpect, $this->target->getAttribute('data-search-params'), 'Setting \\Traversable failed.');
 }