return exit code 1 if any tests failed (since we catch and collect test failures now for reporting)
return exit code 1 if any tests failed (since we catch and collect test failures now for reporting)

Not returning the exit code may interfere with CI systems such as Travis.

BitcoinUnlimited/BitcoinUnlimited,krzysztofwos/BitcoinUnlimited,BTCfork/hardfork_prototype_1_mvf-bu,marlengit/BitcoinUnlimited,arruah/ensocoin,cddjr/BitcoinUnlimited,marcusdiaz/BitcoinUnlimited,Justaphf/BitcoinUnlimited,marcusdiaz/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,Justaphf/BitcoinUnlimited,arruah/ensocoin,krzysztofwos/BitcoinUnlimited,BTCfork/hardfork_prototype_1_mvf-bu,marcusdiaz/BitcoinUnlimited,marlengit/BitcoinUnlimited,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,krzysztofwos/BitcoinUnlimited,Justaphf/BitcoinUnlimited,cddjr/BitcoinUnlimited,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,krzysztofwos/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,Bitcoin-com/BUcash,Bitcoin-com/BUcash,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,krzysztofwos/BitcoinUnlimited,Justaphf/BitcoinUnlimited,arruah/ensocoin,marcusdiaz/BitcoinUnlimited,arruah/ensocoin,arruah/ensocoin,BitcoinUnlimited/BitcoinUnlimited,AllanDoensen/BitcoinUnlimited,krzysztofwos/BitcoinUnlimited,Bitcoin-com/BUcash,BTCfork/hardfork_prototype_1_mvf-bu,BTCfork/hardfork_prototype_1_mvf-bu,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,marlengit/BitcoinUnlimited,AllanDoensen/BitcoinUnlimited,marcusdiaz/BitcoinUnlimited,marcusdiaz/BitcoinUnlimited,AllanDoensen/BitcoinUnlimited,AllanDoensen/BitcoinUnlimited,BTCfork/hardfork_prototype_1_mvf-bu,cddjr/BitcoinUnlimited,cddjr/BitcoinUnlimited,Bitcoin-com/BUcash,AllanDoensen/BitcoinUnlimited,marlengit/BitcoinUnlimited,BTCfork/hardfork_prototype_1_mvf-bu,cddjr/BitcoinUnlimited,Bitcoin-com/BUcash,marlengit/BitcoinUnlimited,cddjr/BitcoinUnlimited,Justaphf/BitcoinUnlimited,Bitcoin-com/BUcash,AllanDoensen/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,Justaphf/BitcoinUnlimited,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,arruah/ensocoin,marlengit/BitcoinUnlimited