* Check for MsgUnexpectedPruningPoint on receivePruningPointBlock as well
* Add IBD test cases
* Revert "Check for MsgUnexpectedPruningPoint on receivePruningPointBlock as well"
This reverts commit 6a6d1ea180.
* Change log level for two logs
* Remove "testing a situation where the pruning point moved during IBD (before sending the pruning point block)"