code: public function it_creates_the_YAML_file($files)
      {
          $files->makeDirectory('path/to/workflows', 0755, true, true)->shouldBeCalled();
  
          $files->put('path/to/workflows/workflows.yml', '')->shouldBeCalled();
  
          $this->settle();
      }
docs: @testdox    It creates the YAML file.
  
  @author    Andrea Marco Sartori
  @return    void