Add role level tests for 'nexus' role

Change-Id: If8decc241614e4fe802352cc783b59f8d7ec70b4
Issue-ID: OOM-1915
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
diff --git a/ansible/roles/nexus/molecule/default/molecule.yml b/ansible/roles/nexus/molecule/default/molecule.yml
new file mode 100644
index 0000000..63c4772
--- /dev/null
+++ b/ansible/roles/nexus/molecule/default/molecule.yml
@@ -0,0 +1,30 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+lint:
+  name: yamllint
+platforms:
+  - name: infrastructure-server
+    image: molecule-${PREBUILD_PLATFORM_DISTRO:-centos}:${PREBUILD_DISTRO_VERSION:-centos7.6}
+    pre_build_image: true
+    privileged: true
+    override_command: false
+    volumes:
+      - /var/lib/docker
+    groups:
+      - infrastructure
+provisioner:
+  name: ansible
+  env:
+    ANSIBLE_ROLES_PATH: ../../../../test/roles
+  inventory:
+    links:
+      group_vars: ../../../../group_vars
+  lint:
+    name: ansible-lint
+verifier:
+  name: testinfra
+  lint:
+    name: flake8