Retry grains refresh after revert

Change-Id: If1208670309051d0e9e57ee38cb3591ff4a3be5c
diff --git a/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/ceph.yaml b/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/ceph.yaml
index 1828392..ad3b628 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/ceph.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/ceph.yaml
@@ -6,7 +6,7 @@
   cmd: salt --hard-crash --state-output=mixed --state-verbose=False
     -C 'I@ceph:common' state.sls salt.minion.grains
   node_name: {{ HOSTNAME_CFG01 }}
-  retry: {count: 1, delay: 10}
+  retry: {count: 3, delay: 20}
   skip_fail: false
 
 - description: Generate keyrings