anchor.diff:  				Boot:       true,
   				AutoDelete: true,
   				InitializeParams: &compute.AttachedDiskInitializeParams{
  -					SourceImage: "projects/debian-cloud/global/images/family/debian-9",
  +					SourceImage: "projects/debian-cloud/global/images/family/debian-11",
   				},
   			},
   			{
  
positive.code: 				Boot:       true,
  				AutoDelete: true,
  				InitializeParams: &compute.AttachedDiskInitializeParams{
  					SourceImage: "projects/debian-cloud/global/images/family/debian-9",
  				},
  			},
  			{
  
negative.code: 	attributes := map[string]string{
  		"boot_disk.#":        "1",
  		"disk.#":             "2",
  		"disk.0.image":       "projects/debian-cloud/global/images/debian-11-bullseye-v20220719",
  		"disk.0.auto_delete": "true",
  		"disk.1.image":       "global/images/family/debian-11",
  		"disk.1.auto_delete": "true",
  		"zone":               zone,
  	}
  