fix multi az test

Author: DrFaust92

aws/resource_aws_fsx_windows_file_system_test.go

@@ -138,11 +138,10 @@ func TestAccAWSFsxWindowsFileSystem_multiAz(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceName, "automatic_backup_retention_days", "7"),
 					resource.TestCheckResourceAttr(resourceName, "copy_tags_to_backups", "false"),
 					resource.TestMatchResourceAttr(resourceName, "daily_automatic_backup_start_time", regexp.MustCompile(`^\d\d:\d\d$`)),
-					resource.TestMatchResourceAttr(resourceName, "dns_name", regexp.MustCompile(`fs-.+\..+`)),
+					resource.TestMatchResourceAttr(resourceName, "dns_name", regexp.MustCompile(`^amznfsx\w{8}\.corp\.notexample\.com$`)),
 					resource.TestMatchResourceAttr(resourceName, "kms_key_id", regexp.MustCompile(`^arn:`)),
-					resource.TestCheckResourceAttr(resourceName, "network_interface_ids.#", "1"),
+					resource.TestCheckResourceAttr(resourceName, "network_interface_ids.#", "2"),
 					testAccCheckResourceAttrAccountID(resourceName, "owner_id"),
-					resource.TestCheckResourceAttr(resourceName, "security_group_ids.#", "0"),
 					resource.TestCheckResourceAttr(resourceName, "self_managed_active_directory.#", "0"),
 					resource.TestCheckResourceAttr(resourceName, "skip_final_backup", "true"),
 					resource.TestCheckResourceAttr(resourceName, "storage_capacity", "32"),