add round trip hcl2 -> json -> hcl2 test case

Author: kkozik-amplify

test/helpers/terraform-config-json/locals_embedded_condition.json

@@ -3,6 +3,7 @@
     {
       "terraform": {
         "channels": "${(local.running_in_ci ? local.ci_channels : local.local_channels)}",
+        "channels_object": "${(local.running_in_ci ? {channels = local.ci_channels} : {channels = local.channels})}",
         "authentication": [],
         "foo": null
       }

test/helpers/terraform-config/locals_embedded_condition.tf

@@ -1,6 +1,7 @@
 locals {
   terraform = {
     channels = (local.running_in_ci ? local.ci_channels : local.local_channels)
+    channels_object = (local.running_in_ci ? {channels = local.ci_channels} : {channels = local.local_channels})
     authentication = []
     foo = null
   }

test/unit/test_hcl2_syntax.py

@@ -132,7 +132,9 @@ def test_function_call_and_arguments(self):
                         arg1, arg2,
                         arg3,
                     )
-            """: {"r": "${function(arg1, arg2, arg3)}"},
+            """: {
+                "r": "${function(arg1, arg2, arg3)}"
+            },
         }
 
         for call, expected in calls.items():