rename iam variable in compute vm module

tests/modules/compute_vm/fixture/main.tf

@@ -25,7 +25,7 @@ module "test" {
   instance_count         = var.instance_count
   use_instance_template  = var.use_instance_template
   group                  = var.group
-  iam_members            = var.iam_members
+  iam                    = var.iam
   metadata               = var.metadata
   metadata_list          = var.metadata_list
 }

tests/modules/compute_vm/fixture/variables.tf

@@ -19,7 +19,7 @@ variable "group" {
   default = null
 }
 
-variable "iam_members" {
+variable "iam" {
   type    = map(set(string))
   default = {}
 }

tests/modules/compute_vm/test_plan.py

@@ -56,12 +56,12 @@ def test_group(plan_runner):
 
 
 def test_iam(plan_runner):
-  iam_members = (
+  iam = (
       '{"roles/compute.instanceAdmin" = ["user:a@a.com", "user:b@a.com"],'
       '"roles/iam.serviceAccountUser" = ["user:a@a.com"]}'
   )
   _, resources = plan_runner(
-      FIXTURES_DIR, instance_count=2, iam_members=iam_members)
+      FIXTURES_DIR, instance_count=2, iam=iam)
   assert len(resources) == 6
   assert set(r['type'] for r in resources) == set([
       'google_compute_instance', 'google_compute_instance_iam_binding'])

tests/modules/compute_vm/test_plan_zones.py

@@ -49,10 +49,9 @@ def test_group(plan_runner):
 
 
 def test_iam(plan_runner):
-  iam_members = '{"roles/a" = ["user:a@a.com"], "roles/b" = ["user:a@a.com"]}'
+  iam = '{"roles/a" = ["user:a@a.com"], "roles/b" = ["user:a@a.com"]}'
   _, resources = plan_runner(FIXTURES_DIR, instance_count=3,
-                             iam_members=iam_members,
-                             zones='["a", "b"]')
+                             iam=iam, zones='["a", "b"]')
   iam_bindings = dict(
       (r['index'], r['values']['zone']) for r in resources if r['type']
       == 'google_compute_instance_iam_binding'