anchor.diff:              FilterTestCase = ""
               FailOnFocusedTests = true
               FilterTestList = ""
  +            PrintVersion = true
               Run = []
               ListTests = false
               Summary = true
  
positive.code:         |> appendIfTrue this.FailOnFocusedTests "--fail-on-focused-tests "
          |> appendIfTrue this.Summary "--summary "
          |> appendIfTrue (not this.Parallel) "--sequential "
          |> appendIfTrue this.ListTests "--list-tests "
          |> appendIfNotNullOrWhiteSpace this.Filter "--filter "
          |> appendIfNotNullOrWhiteSpace this.FilterTestCase "--filter-test-case "
  
negative.code:       ListTests : bool
        /// Custom arguments to use in the case the helper not yet supports them
        CustomArgs: string list
        /// Prints the version on startup. Default is true
        PrintVersion : bool
        /// Working directory
        WorkingDirectory : string
      }
  