You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: iam_dataproc_job_test.go
    path of file: ./repos/magic-modules/mmv1/third_party/terraform/services/dataproc
    
    the code of the file until where you have to start completion: package dataproc_test

import (
	"fmt"
	"testing"

	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
	"github.com/hashicorp/terraform-provider-google/google/acctest"
	"github.com/hashicorp/terraform-provider-google/google/envvar"
)

func TestAccDataprocJobIamBinding
    
func testAccDataprocJobIamBinding_update(cluster, subnetworkName, job, account, role string) string {
	return fmt.Sprintf(testDataprocIamJobConfig+`
resource "google_service_account" "test-account1" {
  account_id   = "%s-1"
  display_name = "Dataproc Job IAM Testing Account"
}

resource "google_service_account" "test-account2" {
  account_id   = "%s-2"
  display_name = "Dataproc Job Iam Testing Account"
}

resource "google_dataproc_job_iam_binding" "binding" {
  job_id = google_dataproc_job.pyspark.reference[0].job_id
  region = "us-central1"
  role   = "%s"
  members = [
    "serviceAccount:${google_service_account.test-account1.email}",
    "serviceAccount:${google_service_account.test-account2.email}",
  ]
}
`, cluster, subnetworkName, job, account, account, role)
}