Update the tests for the hellosign-embedded types

hellosign-embedded/hellosign-embedded-tests.ts

@@ -1,3 +1,5 @@
+import HelloSign from 'hellosign-embedded';
+
 HelloSign.init('abc123');
 
 // some options

hellosign-embedded/index.d.ts

@@ -269,4 +269,4 @@ declare module HelloSign {
 
 declare var HelloSign: HelloSign.HelloSignStatic;
 
-export = HelloSign;
+export default HelloSign;