Fixed #326 blogbot task 개선하기.
Fixed #326 blogbot task 개선하기.

Fixed error retry posting unit test

neoqmin/BlogSyncer,kimalec/BlogSyncer,neoqmin/BlogSyncer,kimalec/BlogSyncer,WizardFactory/BlogSyncer,neoqmin/BlogSyncer,WizardFactory/BlogSyncer,kimalec/BlogSyncer,kimalec/BlogSyncer,neoqmin/BlogSyncer,WizardFactory/BlogSyncer