Add docstring for tenant_network
create_test_server() method supports tenant_network, but its
docstring doesn't contain it. So this patch adds it.
Change-Id: Idb7786bb43ff79b4503e4f9b779c8ee964c313db
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index 05ea393..f489908 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -37,6 +37,7 @@
:param validatable: Whether the server will be pingable or sshable.
:param validation_resources: Resources created for the connection to the
server. Include a keypair, a security group and an IP.
+ :param tenant_network: Tenant network to be used for creating a server.
:returns a tuple
"""