test(k8s): switch to block in cluster data source test (scaleway#2542)

* test(k8s): switch to block

* test(k8s): move cassettes

* test(k8s): fix 500

* test(k8s): switch to block in cluster data source test

Author: Mia-Cross

internal/services/k8s/cluster_data_source_test.go

@@ -41,7 +41,7 @@ func TestAccDataSourceCluster_Basic(t *testing.T) {
 					resource "scaleway_k8s_pool" "default" {
 						name = "default"
 						cluster_id = "${scaleway_k8s_cluster.main.id}"
-						node_type = "gp1_xs"
+						node_type = "pro2_xxs"
 						autohealing = true
 						autoscaling = true
 						size = 1