fix TestAccBillingAccountIam - test improperly set up (#8021) (#5690)

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/8021.txt

@@ -0,0 +1,3 @@
+```release-note:none
+
+```

google-beta/resource_google_billing_account_iam_test.go

@@ -70,11 +70,6 @@ func TestAccBillingAccountIam(t *testing.T) {
 				ImportState:       true,
 				ImportStateVerify: true,
 			},
-			{
-				// Test Iam Policy creation
-				Config: testAccBillingAccountDatasetIamPolicy(account, billing, role),
-				Check:  resource.TestCheckResourceAttrSet("data.google_billing_account_iam_policy.policy", "policy_data"),
-			},
 		},
 	})
 }
@@ -199,28 +194,3 @@ resource "google_billing_account_iam_member" "foo" {
 }
 `, account, billingAccountId, role)
 }
-
-func testAccBillingAccountDatasetIamPolicy(account, billing, role string) string {
-	return fmt.Sprintf(testBigqueryDatasetIam+`
-resource "google_service_account" "test-account" {
-  account_id   = "%s"
-  display_name = "Bigquery Dataset IAM Testing Account"
-}
-
-data "google_iam_policy" "policy" {
-  binding {
-    role    = "%s"
-    members = ["serviceAccount:${google_service_account.test-account.email}"]
-  }
-}
-
-resource "google_billing_account_iam_policy" "policy" {
-  billing_account_id = "%s"
-  policy_data = data.google_iam_policy.policy.policy_data
-}
-
-data "google_billing_account_iam_policy" "policy" {
-  billing_account_id = "%s"
-}
-`, account, role, billing, billing)
-}