refactor(csi): move wait_for_port in test_utils

Signed-off-by: Alessio Pragliola <seth.pro@gmail.com>

csi/test/e2e_test.sh

@@ -6,14 +6,6 @@ set -o xtrace
 # This test assumes there is a Kubernetes environment up and running.
 # It could be either a remote one or a local one (e.g., using KinD or minikube).
 
-# Function to check if the port is ready
-wait_for_port() {
-  local port=$1
-  while ! nc -z localhost $port; do
-    sleep 0.1
-  done
-}
-
 DIR="$(dirname "$0")"
 
 source ./${DIR}/test_utils.sh

csi/test/test_utils.sh

@@ -3,6 +3,15 @@
 set -e
 set -o xtrace
 
+# Function to check if the port is ready
+wait_for_port() {
+  local port=$1
+  while ! nc -z localhost $port; do
+    sleep 0.1
+  done
+}
+
+
 repeat_cmd_until() {
   local cmd=$1
   local condition=$2