Add delay before checking in document in testCheckoutCheckin method to mitigate intermittent test failures.
Add delay before checking in document in testCheckoutCheckin method to mitigate intermittent test failures.

git-svn-id: 6a30fab91685a0f68aadfdbe08eebdc24aae8139@1588355 13f79535-47bb-0310-9956-ffa450edef68

apache/chemistry-objectivecmis,OpenDataSpace/chemistry-objectivecmis