update code

quickstart/201-mysql-fs-db/variables.tf

@@ -1,9 +1,11 @@
 variable "name_prefix" {
-  default     = "mysqlfs"
+  type        = string
+  default     = "tftest"
   description = "Prefix of the resource name."
 }
 
 variable "location" {
+  type        = string
   default     = "eastus"
   description = "Location of the resource."
 }