code: public function it_destroys_a_pipeline($parser, $files)
      {
          $parser->dump([])->willReturn('foo');
  
          $files->put('path/to/workflows/workflows.yml', 'foo')->shouldBeCalled();
  
          $this->destroy('RegisterUser');
      }
docs: @testdox    It destroys a pipeline.
  
  @author    Andrea Marco Sartori
  @return    void