Icons for force result were added

StructureHelperTests/UnitTests/Calcuators/LimitCurveCalculatorTest.cs

@@ -0,0 +1,28 @@
+using Moq;
+using NUnit.Framework;
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+
+namespace StructureHelperTests.UnitTests.Calcuators
+{
+    [TestFixture]
+    public class LimitCurveCalculatorTest
+    {
+        [TestCase(10d, 20d)]
+        public void Run_ShouldPass(double xmax, double ymax)
+        {
+            //Arrange
+            var calculator = new LimitCurveCalculator(new StabLimitCurveLogic())
+            {
+                XMax = xmax,
+                Ymax = ymax
+            };
+            //Act
+            calculator.Run();
+            var result = calculator.Result;
+            //Assert
+            Assert.IsNotNull(result);
+        }
+    }
+}