Enable ssh connectivity for dev sku (#8856)

* Enable ssh connectivity for dev sku

* Fix tests

Author: anvrao1

src/bastion/HISTORY.rst

@@ -2,6 +2,10 @@
 
 Release History
 ===============
+1.4.1
+++++++
+* Enable SSH connectivity support for Developer SKU.
+
 1.4.0
 ++++++
 * Add support for bastion developer create.

src/bastion/azext_bastion/custom.py

@@ -180,8 +180,7 @@ def ssh_bastion_host(cmd, auth_type, target_resource_id, target_ip_address, reso
     if not resource_port:
         resource_port = 22
 
-    if _is_sku_standard_or_higher(bastion['sku']['name']) is not True or \
-       bastion['enableTunneling'] is not True:
+    if not _is_nativeclient_enabled(bastion):
         raise ClientRequestError('Bastion Host SKU must be Standard or Premium and Native Client must be enabled.')
 
     ip_connect = _is_ipconnect_request(bastion, target_ip_address)
@@ -389,6 +388,14 @@ def _is_sku_standard_or_higher(sku):
     return sku in allowed_skus
 
 
+def _is_nativeclient_enabled(bastion):
+    if bastion['sku']['name'] == BastionSku.Developer.value:
+        return True
+    if _is_sku_standard_or_higher(bastion['sku']['name']):
+        return bastion['enableTunneling']
+    return False
+
+
 def handle_error_response(response):
     try:
         errorMessage = json.loads(response.content).get('message', None)