Import tests from JBC core 3.x to make sure we haven't lost any features
Text search for all comments, Strings, log messages, Javadocs that refer to (Node, TreeCache, Region, Starobrno, JBossCache) and replace with proper wording pertaining to Horizon.
Ensure all TODOs in the code is dealt with
Update documentation
Benchmark + tune
Feature comparison with Coherence, Terracotta and gigaspaces
TestSuite - try to use testNg @Factory to avoid inheritance
TestSuite - if async replication is in use, make sure that all the test are forced to wait for all replication messages