fix network interface min acc test

Author: GokceGK

stackit/internal/services/iaas/iaas_acc_test.go

@@ -188,8 +188,9 @@ var testConfigAffinityGroupVarsMin = config.Variables{
 // NETWORK INTERFACE - MIN
 
 var testConfigNetworkInterfaceVarsMin = config.Variables{
-	"project_id": config.StringVariable(testutil.ProjectId),
-	"name":       config.StringVariable(fmt.Sprintf("tf-acc-%s", acctest.RandStringFromCharSet(5, acctest.CharSetAlphaNum))),
+	"project_id":  config.StringVariable(testutil.ProjectId),
+	"name":        config.StringVariable(fmt.Sprintf("tf-acc-%s", acctest.RandStringFromCharSet(5, acctest.CharSetAlphaNum))),
+	"ipv4_prefix": config.StringVariable("10.2.10.0/24"),
 }
 
 // NETWORK INTERFACE - MAX

stackit/internal/services/iaas/testdata/resource-network-interface-min.tf

@@ -1,9 +1,11 @@
 variable "project_id" {}
 variable "name" {}
+variable "ipv4_prefix" {}
 
 resource "stackit_network" "network" {
-  project_id = var.project_id
-  name       = var.name
+  project_id  = var.project_id
+  name        = var.name
+  ipv4_prefix = var.ipv4_prefix
 }
 
 resource "stackit_network_interface" "network_interface" {