message: add error response flag
diff: "description": "Client sent unknown metadata name",
  "schema": {
  "$ref": "#/definitions/ARMErrorResponseBody"
  - }
  + },
  + "x-ms-error-response": true
  },
  "default": {
  "description": "Error response describing why the operation failed.",
  "description": "Suppression name is not specified or Suppression Id not found.",
  "schema": {
  "$ref": "#/definitions/ArmErrorResponse"
  - }
  + },
  + "x-ms-error-response": true
  },
  "default": {
  "description": "Error response describing why the operation failed.",
  "description": "Recommendation to be suppressed is not found.",
  "schema": {
  "$ref": "#/definitions/ArmErrorResponse"
  - }
  + },
  + "x-ms-error-response": true
  },
  "default": {
  "description": "Error response describing why the operation failed.",
  