我使用GHUnit创建一个项目。但是，当我使用GHUnit make test命令执行时，会发生如下错误：
Running: "/Users/gongtao/Library/Developer/Xcode/DerivedData/MicIOSHelper-eqvmgnulwgjftjfnkcrzkpwkyefw/Build/Products/Debug-iphonesimulator/MicIOSHelper.app/MicIOSHelper" -RegisterForSystemEvents
RunTests.sh: line 50: 8604 Segmentation fault: 11 "/Users/gongtao/Library/Developer/Xcode/DerivedData/MicIOSHelper-eqvmgnulwgjftjfnkcrzkpwkyefw/Build/Products/Debug-iphonesimulator/MicIOSHelper.app/MicIOSHelper" -RegisterForSystemEvents
Command /bin/sh failed with exit code 139
** BUILD FAILED **
The following build commands failed:
PhaseScriptExecution Run\ Script /Users/gongtao/Library/Developer/Xcode/DerivedData/MicIOSHelper-eqvmgnulwgjftjfnkcrzkpwkyefw/Build/Intermediates/MicIOSHelper.build/Debug-iphonesimulator/MicIOSHelper.build/Script-42D16A2D1A1476C3007976D9.sh
(1 failure)
make: *** [test] Error 65
我遵循以下准则：GHUnit Running From Command Line
makefile是这样的：
clean:
-rm -rf build/*
test:
GHUNIT_CLI=1 xcodebuild -target Tests -configuration Debug -sdk iphonesimulator build
我的项目名称是'MicIOSHelper'。