Add wait for vcsim to come online (#27887)

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

test/integration/targets/vmware_vswitch/tasks/main.yml

@@ -27,6 +27,12 @@
     vcsim: "{{ lookup('env', 'vcenter_host') }}"
 - debug: var=vcsim
 
+- name: Wait for Flask controller to come up online
+  wait_for:
+    host: "{{ vcsim }}"
+    port: 5000
+    state: started
+
 - name: kill vcsim
   uri:
     url: "{{ 'http://' + vcsim + ':5000/killall' }}"
@@ -35,6 +41,12 @@
     url: "{{ 'http://' + vcsim + ':5000/spawn?cluster=2' }}"
   register: vcsim_instance
 
+- name: Wait for Flask controller to come up online
+  wait_for:
+    host: "{{ vcsim }}"
+    port: 443
+    state: started
+
 - debug: var=vcsim_instance
 
 - name: find folders for each vm