fix tests

Author: ahmadnassri

test/fixtures/output/node/request/application-form-encoded.js

@@ -6,7 +6,8 @@ var options = {
     "Content-Type": "application/x-www-form-urlencoded"
   },
   "formData": {
-    "foo": "bar"
+    "foo": "bar",
+    "hello": "world"
   }
 };
 

test/fixtures/output/node/request/multipart-file.js

@@ -7,7 +7,7 @@ var options = {
   },
   "formData": {
     "foo": {
-      "value": "hello world",
+      "value": "Hello World",
       "options": {
         "filename": "hello.txt",
         "content-type": "text/plain"