Add Minikube integration testing workflow (#160)

Move integration testing into pull_request action that is isolated to an action runner using minikube

Co-authored-by: David Gamero <davidgamero@microsoft.com>

test/integration/k8s-deploy-delete.py

@@ -0,0 +1,12 @@
+import subprocess, sys
+
+kind = sys.argv[1]
+name = sys.argv[2]
+namespace = 'test-' + sys.argv[3]
+
+try:
+  print('kubectl delete ' + kind + ' ' + name + ' -n ' + namespace)
+  deletion = subprocess.Popen(['kubectl', 'delete', kind, name, '--namespace', namespace])
+  result, err = deletion.communicate()
+except Exception as ex:
+  print('Error occured during deletion', ex)