update to latest mockito version (concurrency test problems with version 2.4-2.7 are fixed)
update to latest mockito version (concurrency test problems with version 2.4-2.7 are fixed)

wcm-io/wcm-io-samples,wcm-io/wcm-io-samples,wcm-io/wcm-io-samples,wcm-io/wcm-io-samples