Добавил тест для прямоугольника

StructureHelperLogics/Infrastructures/CommonEnums/CalcTerms.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StructureHelperLogics.Infrastructures.CommonEnums
+{
+    public enum CalcTerms
+    {
+        ShortTerm,
+        LongTerm,
+    }
+}

StructureHelperLogics/Infrastructures/CommonEnums/LimitStates.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StructureHelperLogics.Infrastructures.CommonEnums
+{
+    public enum LimitStates
+    {
+        Collapse = 1,
+        ServiceAbility = 2,
+        Special = 3,
+    }
+}