anchor.diff:    }
   
   type TestSuite =
  -  seq<TestObject>
  +  seq<TestClass>
   
   [<RequireQualifiedAccess>]
   type TestErrorMethod =
  
positive.code:   Result<GroupTest, TestError>
  
  type TestObjectResult =
    TestObject * TestMethodResult []
  
  type TestSuiteResult =
    seq<TestObjectResult>
  
negative.code:       None
  
    let runAsync =
      let tryInstantiate (testObject: TestClass) =
        Result.catch testObject.Create
        |> Result.mapFailure TestError.OfConstructor
  
  