Fixed test for billing-iam

test/fixtures/billing-iam/outputs.tf

@@ -27,3 +27,8 @@ output "members" {
   value       = module.iam_binding_billing_accounts_additive.members
   description = "Members which were bound to the billing accounts."
 }
+
+output "project_id" {
+  value       = var.project_id
+  description = "Project ID"
+}

test/integration/billing-iam/controls/billing-iam.rb

@@ -16,6 +16,7 @@
 
 billing_iam_test_accounts = attribute('billing_iam_test_accounts')
 members = attribute('members')
+project_id = attribute('project_id')
 
 control "GCP Billing IAM" do
             title "GCP Billing Bindings"
@@ -38,11 +39,9 @@
                     data['bindings'].each do |binding|
                         transformed_data.store(binding["role"],binding["members"])
                     end
-                    members.each do |role,saMembers|
-                        saMembers.each do |member|
-                            expect(transformed_data[role]).to include(member)
-                        end
-                    end
+                    expect(transformed_data["roles/billing.viewer"]).to include("serviceAccount:billing-iam-test-01@#{project_id}.iam.gserviceaccount.com")
+                    expect(transformed_data["roles/billing.admin"]).to include("serviceAccount:billing-iam-test-01@#{project_id}.iam.gserviceaccount.com")
+                    expect(transformed_data["roles/billing.admin"]).to include("serviceAccount:billing-iam-test-02@#{project_id}.iam.gserviceaccount.com")
                 end
             end
         end

test/integration/billing-iam/inspec.yml

@@ -23,3 +23,6 @@ attributes:
   - name: members
     required: true
     type: hash
+  - name: project_id
+    required: true
+    type: string