         args += buildParameters.indexStoreArguments(for: target)
         args += buildParameters.toolchain.extraSwiftCFlags
         args += optimizationArguments
+        args += testingArguments
         args += ["-g"]
         args += ["-j\(ProcessInfo.processInfo.activeProcessorCount)"]
         args += activeCompilationConditions

        result += buildParameters.targetTripleArgs(for: target)
        result += ["-swift-version", swiftVersion.rawValue]
        result += optimizationArguments
        result += ["-g"]
        result += ["-j\(ProcessInfo.processInfo.activeProcessorCount)"]
        result += activeCompilationConditions

        result += buildParameters.indexStoreArguments(for: target)
        result += buildParameters.toolchain.extraSwiftCFlags
        result += optimizationArguments
        result += testingArguments
        result += ["-g"]
        result += ["-j\(ProcessInfo.processInfo.activeProcessorCount)"]
        result += activeCompilationConditions
