added test file -revert this commit in the future

Author: jwoo-msft

samples/v1.0/Elements/Input.Date.json

@@ -9,7 +9,6 @@
 		},
 		{
 			"type": "Input.Date",
-			"id": "date",
 			"placeholder": "Enter a date",
 			"value": "2017-10-12"
 		}