anchor.diff:  
       [<Test>]
       member test.``Classic case. Many brackets 1``() =
  -        let qGraph = new ParserInputGraph<_>()
  +        let qGraph = new ParserInputGraph<_>(0, 5)
           qGraph.AddVertexRange[0;1;2;3;4;5] |> ignore
           qGraph.AddVerticesAndEdgeRange
               [
  
positive.code: 
      [<Test>]
      member test.``Parents test``() =
          let qGraph = new ParserInputGraph<_>()
          qGraph.AddVertexRange[0; 1; 2] |> ignore
          qGraph.AddVerticesAndEdgeRange
              [
  
negative.code: 
      [<Test>]
      member test.``Elementary test``() =
          let qGraph = new ParserInputGraph<_>(0, 4)
          qGraph.AddVertexRange[0;1;2;3;4] |> ignore
          qGraph.AddVerticesAndEdgeRange
              [createEdge 0 1 (RNGLR.ParseElementary.A 0)
  