Update only the repo that was added instead of all repos

Change-Id: I70c75ced584b40873566a36f2dfc900abc824767
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/n2vc/k8s_helm_base_conn.py b/n2vc/k8s_helm_base_conn.py
index 9b0ca86..adbdefc 100644
--- a/n2vc/k8s_helm_base_conn.py
+++ b/n2vc/k8s_helm_base_conn.py
@@ -201,8 +201,8 @@
         )
 
         # helm repo update
-        command = "env KUBECONFIG={} {} repo update".format(
-            paths["kube_config"], self._helm_command
+        command = "env KUBECONFIG={} {} repo update {}".format(
+            paths["kube_config"], self._helm_command, name
         )
         self.log.debug("updating repo: {}".format(command))
         await self._local_async_exec(
diff --git a/n2vc/tests/unit/test_k8s_helm3_conn.py b/n2vc/tests/unit/test_k8s_helm3_conn.py
index 775b0a7..d1b7903 100644
--- a/n2vc/tests/unit/test_k8s_helm3_conn.py
+++ b/n2vc/tests/unit/test_k8s_helm3_conn.py
@@ -102,7 +102,9 @@
             ),
         )
 
-        repo_update_command = "env KUBECONFIG=./tmp/helm3_cluster_id/.kube/config /usr/bin/helm3 repo update"
+        repo_update_command = (
+            "env KUBECONFIG=./tmp/helm3_cluster_id/.kube/config /usr/bin/helm3 repo update {}"
+        ).format(repo_name)
         repo_add_command = (
             "env KUBECONFIG=./tmp/helm3_cluster_id/.kube/config /usr/bin/helm3 repo add {} {}"
         ).format(repo_name, repo_url)
diff --git a/n2vc/tests/unit/test_k8s_helm_conn.py b/n2vc/tests/unit/test_k8s_helm_conn.py
index ae9338d..fb586a3 100644
--- a/n2vc/tests/unit/test_k8s_helm_conn.py
+++ b/n2vc/tests/unit/test_k8s_helm_conn.py
@@ -79,7 +79,9 @@
             ),
         )
 
-        repo_update_command = "env KUBECONFIG=./tmp/helm_cluster_id/.kube/config /usr/bin/helm repo update"
+        repo_update_command = (
+            "env KUBECONFIG=./tmp/helm_cluster_id/.kube/config /usr/bin/helm repo update {}"
+        ).format(repo_name)
         repo_add_command = (
             "env KUBECONFIG=./tmp/helm_cluster_id/.kube/config /usr/bin/helm repo add {} {}"
         ).format(repo_name, repo_url)