anchor.diff:        ReportFormatterOptions: (string*string) list
         TestExecutionOptions: (string*string) list
         TestExplorationOptions: (string*string) list
  +      /// Specifies option property key/value pairs for the test runner.
         TestRunnerOptions: (string*string) list
         Verbosity: Verbosity
         /// The types supported "out of the box" are: Local, IsolatedAppDomain
  
positive.code:         project.ReportDirectory <- param.ReportDirectory
      if param.ReportNameFormat <> null then
          project.ReportNameFormat <- param.ReportNameFormat
      project
  
  let private createExecutionOptions param = 
  
negative.code: open Gallio.Model
  open Gallio.Model.Filters
  open FSharp.Nullable
  
  type ReportArchiveMode = Normal | Zip
  
  type GallioParams = 
        /// Sets whether to load the tests but not run them.
  