   }
 
   func testSetOptionFlagReuse() {
-    let cli = CommandLine()
+    let cli = CommandLine(arguments: [])
     let opts = [
       BoolOption(shortFlag: "v", longFlag: "verbose", helpMessage: ""),
       StringOption(shortFlag: "v", longFlag: "verify", helpMessage: "")


  /*
  func testShortFlagReuse() {
    let cli = CommandLine()
    let op1 = BoolOption(shortFlag: "v", longFlag: "verbose", helpMessage: "")
    let op2 = StringOption(shortFlag: "v", longFlag: "verify", helpMessage: "")
    cli.addOptions(op1, op2)

  }

  func testLongFlagReuse() {
    let cli = CommandLine(arguments: [])
    let op1 = BoolOption(shortFlag: "v", longFlag: "verbose", helpMessage: "")
    let op2 = StringOption(shortFlag: "d", longFlag: "verbose", helpMessage: "")
    cli.addOptions(op1, op2)
