DCD-224: Tweaks to product_base and add molecule tests.

roles/product_base/tasks/main.yml

@@ -2,5 +2,15 @@
 
 - name: Create product user
   user:
-    name: "{{ product_user }}"
+    name: "{{ atl_product_user }}"
     comment: "Product runtime user"
+
+- name: Create installation directories
+  file:
+    path: "{{ item }}"
+    state: directory
+    mode: 0750
+    owner: "{{ atl_product_user }}"
+  with_items:
+    - "{{ atl_product_home }}"
+    - "{{ atl_temp_dir }}"