message: Remove ES2018 regex flag from json test
diff: @@ -13,7 +13,7 @@ export class JsonTests {
  @TestCase('{ "a": { "b": "c" } }')
  public json(json: string): void {
  const lua = transpileString(json, { resolveJsonModule: true, noHeader: true }, false, "file.json")
  - .replace(/^return (.+);$/s, "return JSONStringify($1);");
  + .replace(/^return ([\s\S]+);$/, "return JSONStringify($1);");
  const result = util.executeLua(lua);
  Expect(JSON.parse(result)).toEqual(JSON.parse(json));
  