Test for `.Success` and `.Failure` of `otool` in `XcodeSpec`.
Test for `.Success` and `.Failure` of `otool` in `XcodeSpec`.

abbeycode/Carthage,NachoSoto/Carthage,abbeycode/Carthage,flovilmart/Carthage,0xced/Carthage,flovilmart/Carthage,erichoracek/Carthage,abbeycode/Carthage,erichoracek/Carthage,abbeycode/Carthage,NachoSoto/Carthage,erichoracek/Carthage,flovilmart/Carthage,erichoracek/Carthage,NachoSoto/Carthage,0xced/Carthage,0xced/Carthage