Fix molecule for Leap 15.4

Fix the molecule test for Leap 15.4

molecule/default/Dockerfile.leap15_3

@@ -1,7 +0,0 @@
-FROM registry.opensuse.org/opensuse/leap:15.3
-
-# Install systemd and development tools, clear cache
-RUN zypper in -y systemd systemd-sysvinit firewalld python3 python3-firewall curl && rm -rf /var/cache/* && rm -f /etc/machine-id /var/lib/dbus/machine-id
-
-# Start container with systemd
-ENTRYPOINT ["/usr/sbin/init"]

molecule/default/molecule.yml

@@ -4,23 +4,12 @@ dependency:
 driver:
   name: docker
 platforms:
-  - name: leap15_3
-    image: registry.opensuse.org/opensuse/leap:15.3
-    dockerfile: Dockerfile.leap15_3
-    command: ${MOLECULE_DOCKER_COMMAND:-"/usr/sbin/init"}
-    privileged: true
-    volumes:
-      - /sys/fs/cgroup:/sys/fs/cgroup:ro
-    tmpfs:
-      - /run
-      - /tmp
   - name: leap15_4
     image: registry.opensuse.org/opensuse/leap:15.4
     dockerfile: Dockerfile.leap15_4
     command: ${MOLECULE_DOCKER_COMMAND:-"/usr/sbin/init"}
     privileged: true
-    volumes:
-      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    cgroupns: host
     tmpfs:
       - /run
       - /tmp
@@ -28,12 +17,6 @@ provisioner:
   name: ansible
   inventory:
     host_vars:
-      leap15_3:
       leap15_4:
 verifier:
   name: testinfra
-  lint:
-    name: flake8
-lint: |
-  set -e
-  yamllint .

molecule/default/tests/test_default.py

@@ -10,7 +10,7 @@ testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(os.environ['MOLEC
 def test_pxe(host):
 	# TODO: Extend the test coverage. 
 	tftpboot = "/srv/tftpboot"
-	cmd = host.run("curl -v tftp://127.0.0.1/pxelinux.0 -o /tmp/pxelinux.0")
+	cmd = host.run("curl -v --fail tftp://127.0.0.1/pxelinux.0 -o /tmp/pxelinux.0")
 	print(cmd.stdout)
 	assert cmd.succeeded
 	cmd = host.run(f'diff {tftpboot}/pxelinux.0 /tmp/pxelinux.0')