core: update test count vars to num

terraform/context_apply_test.go

@@ -3406,7 +3406,7 @@ func TestContext2Apply_multiVar(t *testing.T) {
 			},
 		),
 		Variables: InputValues{
-			"count": &InputValue{
+			"num": &InputValue{
 				Value:      cty.NumberIntVal(3),
 				SourceType: ValueFromCaller,
 			},
@@ -3441,7 +3441,7 @@ func TestContext2Apply_multiVar(t *testing.T) {
 				},
 			),
 			Variables: InputValues{
-				"count": &InputValue{
+				"num": &InputValue{
 					Value:      cty.NumberIntVal(1),
 					SourceType: ValueFromCaller,
 				},

terraform/test-fixtures/apply-multi-var/main.tf

@@ -1,8 +1,8 @@
 variable "num" {}
 
 resource "aws_instance" "bar" {
-    foo = "bar${count.index}"
     count = "${var.num}"
+    foo = "bar${count.index}"
 }
 
 output "output" {