fitlibrary.exception.InvalidMethodException: Method does not return boolean.
   at fitlibrary.ConstraintFixture.DoRow(Parse row)
   at fit.Fixture.DoRows(Parse rows)
   at fitlibrary.ConstraintFixture.DoRows(Parse rows)
   at fit.Fixture.DoTable(Parse table)
   at fit.Fixture.Interpret(Tree`1 table)
   at fitSharp.Fit.Service.ExecuteStoryTest.DoTable(Tree`1 table, Interpreter activeFixture, Boolean inFlow)
   at fitSharp.Fit.Service.ExecuteStoryTest.InterpretTable(Tree`1 table)
   at fitSharp.Fit.Service.ExecuteStoryTest.InterpretTables(Tree`1 theTables)