ROOT_ADD_GTEST(IOTests TBufferMerger.cxx TFileMergerTests.cxx  LIBRARIES RIO Tree)

ROOT_ADD_GTEST(TBufferMerger TBufferMerger.cxx LIBRARIES RIO Tree)
ROOT_ADD_GTEST(TFileMerger TFileMergerTests.cxx LIBRARIES RIO Tree)

Split TBufferMerger and TFileMerger tests
Split TBufferMerger and TFileMerger tests
