Update molecule flows

* Add sequences for create, converge, and destroy
* Add a prepare step to the test_sequence that performs a system update
* Add extend the wait time for CentOS 8 to boot as there is a long period of
  time before an ssh connection can be established

molecule/agent/molecule.yml

@@ -33,6 +33,7 @@ platforms:
     region: {{ aws_region }}
     vpc_subnet_id: {{ vpc_subnet_id }}
   - name: centos8
+    boot_wait_seconds: 180
     image_filters:
       architecture: x86_64
     image_name: "CentOS Stream 8*"
@@ -53,8 +54,18 @@ provisioner:
     name: ansible-lint
 scenario:
   name: agent
+  create_sequence:
+    - create
+    - prepare
+  converge_sequence:
+    - create
+    - prepare
+    - converge
+  destroy_sequence:
+    - destroy
   test_sequence:
     - create
+    - prepare
     - converge
     - verify
     - destroy

molecule/agent/prepare.yml

@@ -2,9 +2,18 @@
 - name: Prepare
   hosts: all
   gather_facts: false
+  become: true
   tasks:
     - name: Make sure python3 is installed
       package:
         name: python3
         state: present
-      become: true
+
+    - name: Update Systems
+      package:
+        name: "*"
+        state: latest
+
+    - name: Reboot
+      reboot:
+        reboot_timeout: 3600