public function testAddRemove() { $this->assertFalse($this->datagridMapper->has('fooName')); $fieldDescription = $this->getFieldDescriptionMock('fooName', 'fooLabel'); $this->datagridMapper->add($fieldDescription, null, array('field_name' => 'fooFilterName')); $this->assertTrue($this->datagridMapper->has('fooName')); $this->datagridMapper->remove('fooName'); $this->assertFalse($this->datagridMapper->has('fooName')); }