handle the exception case, previous segfault test will become a failing test
avoid passing reference to std::async ; force launch policy
fixing MaidManagerServiceTest.BEH_RegistedPmid test
allowing longer execution time (avoid being reported as failure during experimental tests over low spec machine)
allowing more execution time (avoid being reported as failure when running on Windows or low spec machine)
Merge pull request #7 from maqi/MAID-108_ChunkStoreTest.BEH_Restart

Maid 108 chunk store test.beh restart
Merge pull request #11 from maqi/MAID-110_SyncTest.BEH_MultipleParallelRandomAction

allowing longer execution time during experimental test
file path shall not be used as disk_root
make InitialiseDiskRoot throwing exception in case of error
Merge pull request #15 from maqi/MAID-185_ChunkStoreTest.BEH_Constructor

Maid 185 chunk store test.beh constructor
Allow network tests to fail gracefully if testnet is unavailable.
removing regeister / unregister pmid
Merge pull request #17 from mmoadeli/MAID-109_MaidManagerServiceTest.BEH_RegistedPmid

Maid 109 maid manager service test.beh registed pmid
Merge pull request #16 from Fraser999/MAID-197_fail_gracefully

Allow network tests to fail gracefully if testnet is unavailable.