* xcode plugin will generage the test report, to do the same thing, we need xcpretty to export junit report
#proj + target and workspace + scheme
xcodebuild test \
-workspace xxx.xcworkspace \
-scheme xxx \
-destination 'platform=iOS Simulator,name=iPhone 6,OS=9.3' \
-configuration "Debug" \
-enableCodeCoverage YES \
-derivedDataPath "build/Debug-iphonesimulator/" \
| xcpretty -c -r junit -o xxx/test-reports/junit.xml
slather coverage --cobertura-xml \
--input-format profdata --ignore ../**/*/Xcode* --scheme xxx \
--workspace xxx.xcworkspace xxx.xcodeproj