anchor.diff:    {
       Type                        : Type
       Create                      : unit -> TestClassInstance
  -    Cases                       : seq<TestCase>
  +    Cases                       : seq<TestMethod>
     }
   
   type TestSuite =
  
positive.code: type TestClassInstance =
    obj
  
  type TestCase =
    {
      Method                      : MethodInfo
      Run                         : TestClassInstance -> GroupTest
  
negative.code: [<RequireQualifiedAccess>]
  type TestErrorMethod =
    | Constructor
    | Method                      of TestMethod
    | Dispose                     of TestMethod
  
  type TestError =
    {
  