Added MP restart to clear the apigee-validate testing environments, org and proxies.

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 186ae32..6a5a1a4 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -19,3 +19,7 @@
     responses:
       '(?i) y/n: ': 'y'
   when: opdk_version | version_compare('4.16.05', '>')
+
+- name: Restart Edge Message Processor
+  ignore_errors: yes
+  shell: '{{ apigee_service }} edge-message-processor restart'
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