CLOUDSTACK-4021:[Automation] TestExplicitDedication.test_01_deploy_vm_with_explicit_dedication failed to deploy VM

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
(cherry picked from commit 8191f5c690)

test/integration/component/test_explicit_dedication.py

@@ -178,6 +178,10 @@ class TestExplicitDedication(cloudstackTestCase):
                 empty_host = host
                 break
 
+        #If no empty host is found, return
+        if empty_host:
+       self.skipTest("Did not find any empty hosts, Skipping")
+
         # Create an affinity group for explicit dedication.
         agCmd = createAffinityGroup.createAffinityGroupCmd()
         agCmd.name = "explicit-affinity"