Document new test running procedure
Document new test running procedure

apple/swift-package-manager,apple/swift-package-manager,rsmoz/swift-package-manager,haskellswift/swift-package-manager,haskellswift/swift-package-manager,sschiau/swift-package-manager,abertelrud/swift-package-manager,sschiau/swift-package-manager,haskellswift/swift-package-manager,apple/swift-package-manager,sschiau/swift-package-manager,mxcl/swift-package-manager,apple/swift-package-manager,vmanot/swift-package-manager,abertelrud/swift-package-manager,sschiau/swift-package-manager,rsmoz/swift-package-manager,abertelrud/swift-package-manager,mxcl/swift-package-manager,JGiola/swift-package-manager,mxcl/swift-package-manager,JGiola/swift-package-manager,vmanot/swift-package-manager,sschiau/swift-package-manager,vmanot/swift-package-manager,vmanot/swift-package-manager,mxcl/swift-package-manager,vmanot/swift-package-manager,JGiola/swift-package-manager,JGiola/swift-package-manager,JGiola/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,haskellswift/swift-package-manager,abertelrud/swift-package-manager