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$ cd path/to/macaca-ios
$ npm link path/to/XCTestWD
# now project XCTestWD is linked to macaca-ios
$ open ./XCTestWD/XCTestWD.xcodeproj
# run test(command + u) in XCTestWDUITests schema
# ./XCTestWD/curlTests.sh is some useful restful testing scripts