1. Add replication schedule test;
2. Add some sleep after project creation before push image to avoid push image v2 error.
   It fixed issue# 12094: Scan image vmware/photon:1.0 return unsupported occasionally.
3. Add some sleep in test_user_view_logs.py, can't get operation logs sometimes.
Signed-off-by: danfengliu <danfengl@vmware.com>