src/molecule/driver/delegated.py: Fix connection option handling (#2988)

The documentation and the code tends to suggest that in order to
configure the ansible connection plugin, the option to use is
'connection' but the test handling this option is testing
'ansible_connection', so fix that.

Signed-off-by: Arnaud Patard <apatard@hupstream.com>

src/molecule/driver/delegated.py

@@ -187,7 +187,7 @@ def ansible_connection_options(self, instance_name):
                 conn_dict["ansible_user"] = d.get("user")
                 conn_dict["ansible_host"] = d.get("address")
                 conn_dict["ansible_port"] = d.get("port")
-                if d.get("ansible_connection", None):
+                if d.get("connection", None):
                     conn_dict["ansible_connection"] = d.get("connection", "smart")
                 if d.get("become_method", False):
                     conn_dict["ansible_become_method"] = d.get("become_method")