give 2 minutes to ceph cluster before tests

Change-Id: I4e74f6d979c7b637d83dda6a61bdad80e512f18c
diff --git a/cloud-deploy-pipeline.groovy b/cloud-deploy-pipeline.groovy
index 291f799..8dccccb 100644
--- a/cloud-deploy-pipeline.groovy
+++ b/cloud-deploy-pipeline.groovy
@@ -411,6 +411,7 @@
 
         if (common.checkContains('STACK_TEST', 'ceph')) {
             stage('Run infra tests') {
+                sleep(120)
                 def cmd = "apt-get install -y python-pip && pip install -r /usr/share/salt-formulas/env/ceph/files/testinfra/requirements.txt && python -m pytest --junitxml=/root/report.xml /usr/share/salt-formulas/env/ceph/files/testinfra/"
                 salt.cmdRun(saltMaster, 'I@salt:master', cmd, false)
                 writeFile(file: 'report.xml', text: salt.getFileContent(saltMaster, 'I@salt:master', '/root/report.xml'))