Tests of crack calculator were added

StructureHelperLogics/NdmCalculations/Cracking/RebarStressCalculatorInputData.cs

@@ -0,0 +1,22 @@
+using LoaderCalculator.Data.Ndms;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Cracking
+{
+    /// <inheritdoc/>
+    public class RebarStressCalculatorInputData : IRebarStressCalculatorInputData
+    {
+        /// <inheritdoc/>
+        public ForceTuple ForceTuple { get; set; }
+        /// <inheritdoc/>
+        public IEnumerable<INdm> NdmCollection { get; set; }
+        /// <inheritdoc/>
+        public IRebarPrimitive RebarPrimitive { get; set; }
+    }
+}