Write test skeleton

cmd/web/handlers.go

@@ -14,7 +14,7 @@ type createElectionRequestWithValidator struct {
 
 func (app *application) createElection(w http.ResponseWriter, r *http.Request) {
 	var request createElectionRequestWithValidator
-	err := app.decodePostForm(r, &request)
+	err := app.unmarshalRequest(r, &request)
 	if err != nil {
 		app.clientError(w, http.StatusBadRequest, err.Error())
 		return