/**
  * Test is/setter for useableAsGridFilter property
  *
  * TODO : Test with the both values
  */
 public function testIsSetUseableAsGridFilter()
 {
     $this->assertFalse($this->attribute->isUseableAsGridFilter());
     // change value and assert new
     $newUseableAsGridFilter = true;
     $this->assertEntity($this->attribute->setUseableAsGridFilter($newUseableAsGridFilter));
     $this->assertTrue($this->attribute->isUseableAsGridFilter());
 }