codegen fix for protocol test generation (#1801)

* codegen fix for protocol test generation

* empty changeset

Author: kuhe

.changeset/afraid-badgers-search.md

@@ -0,0 +1,2 @@
+---
+---

packages/core/src/submodules/cbor/CborCodec.spec.ts

@@ -3,8 +3,8 @@ import type { StaticSimpleSchema, StaticStructureSchema, StringSchema, Timestamp
 import { describe, expect, it } from "vitest";
 
 import { cbor } from "./cbor";
-import { CborCodec, CborShapeSerializer } from "./CborCodec";
 import { tagSymbol } from "./cbor-types";
+import { CborCodec, CborShapeSerializer } from "./CborCodec";
 
 describe(CborShapeSerializer.name, () => {
   const codec = new CborCodec();

smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/HttpProtocolTestGenerator.java

@@ -832,7 +832,7 @@ private void writeResponseTestSetup(OperationShape operation, HttpResponseTestCa
                 writer.write("$L,", isSuccess);
                 writer.write("$L,", testCase.getCode());
                 if (headers.isEmpty()) {
-                    writer.write("undefined");
+                    writer.write("undefined,");
                 } else {
                     writer.openBlock("{", "},", () -> {
                         for (Map.Entry<String, String> entry : headers.entrySet()) {
@@ -847,8 +847,9 @@ private void writeResponseTestSetup(OperationShape operation, HttpResponseTestCa
                     });
                 }
                 if (body != null) {
-                    writer.write("`$L`", body);
+                    writer.write("`$L`,", body);
                 }
+                writer.unwrite(",\n").write("");
             });
         });