fix: failures preventing tests to pass

Two fixes needed to happen, firstly invalid vars syntax in playbooks.
Then removed neutron-lib from the testing requirements as its unused and
its other dependencies are not included.

Change-Id: I75c2903d8aabe047e02b9f0219976cd19d4e3cf7
Signed-off-by: Sowmya Nethi <sowmya.kamavaram@rackspace.com>
Signed-off-by: Doug Goldstein <cardoe@cardoe.com>

playbooks/devstack/pre.yaml

@@ -5,8 +5,8 @@
 
 - hosts: controller
   vars:
-    - devstack_base_dir: /opt/stack
-    - skyline_source_dirs: src/opendev.org/openstack/skyline-apiserver
+    devstack_base_dir: /opt/stack
+    skyline_source_dirs: src/opendev.org/openstack/skyline-apiserver
   tasks:
     - name: Copy skyline-apiserver repos into devstack working directory
       command: rsync -a {{ skyline_source_dirs }} {{ devstack_base_dir }}

test-requirements.txt

@@ -17,6 +17,5 @@ pytest-html>=3.1.1 # MPL 2.0
 mimesis<=4.1.3 # MIT
 asgi-lifespan<=1.0.1 # MIT
 types-PyYAML>=5.4.10 # Apache-2.0
-neutron-lib>=2.15.0 # Apache-2.0
 lxml>=4.4.1 # BSD
 types-python-dateutil>=2.8.2 # Apache-2.0