public function testParameters()
 {
     $this->assertFalse($this->grid->hasParameters());
     $this->assertEquals(array(), $this->grid->getParameters());
     $this->grid->addParameter('myPara', 'test');
     $this->assertEquals(array('myPara' => 'test'), $this->grid->getParameters());
     $this->grid->setParameters(array('other' => 'blubb'));
     $this->assertEquals(array('other' => 'blubb'), $this->grid->getParameters());
     $this->assertTrue($this->grid->hasParameters());
 }