message: updated etag to eTag
diff: "type": "string",
  "description": "Resource sku"
  },
  - "etag": {
  + "eTag": {
  "type": "string",
  - "description": "Resource etag."
  + "description": "Resource eTag."
  },
  "properties": {
  "x-ms-client-flatten": true,
  