diff --git a/molecule/default/Dockerfile.leap15_3 b/molecule/default/Dockerfile.leap15_3
deleted file mode 100644
index ddbdb53..0000000
--- a/molecule/default/Dockerfile.leap15_3
+++ /dev/null
@@ -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/*
-
-# Start container with systemd
-ENTRYPOINT ["/usr/sbin/init"]
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
index 4331bb9..7d67333 100644
--- a/molecule/default/molecule.yml
+++ b/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
@@ -28,16 +17,8 @@ provisioner:
   name: ansible
   inventory:
     host_vars:
-      leap15_3:
-        ftp_dir: "/srv/ftp"
-        config_firewall: true
       leap15_4:
         ftp_dir: "/srv/ftp"
         config_firewall: true
 verifier:
   name: testinfra
-  lint:
-    name: flake8
-lint: |
-  set -e
-  yamllint .
diff --git a/molecule/default/tests/test_default.py b/molecule/default/tests/test_default.py
index 2bb3140..092e601 100755
--- a/molecule/default/tests/test_default.py
+++ b/molecule/default/tests/test_default.py
@@ -8,10 +8,10 @@ import os
 testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
  
 def test_ftp(host):
-	cmd = host.run("curl -v ftp://127.0.0.1/testfile.txt")
+	cmd = host.run("curl -v --fail ftp://127.0.0.1/testfile.txt")
 	assert cmd.succeeded
 	assert "Happy test file" in cmd.stdout
-	cmd = host.run("curl -v ftp://127.0.0.1/secrets.txt")
+	cmd = host.run("curl -v --fail ftp://127.0.0.1/secrets.txt")
 	assert cmd.failed
 	assert "550" in cmd.stderr