land-grab-in-space: fix

Author: ErikSchierboom

exercises/concept/land-grab-in-space/LandGrabInSpaceTests.cs

@@ -74,16 +74,13 @@ public void GetLongestSideReverseInsertionOrder()
     private Plot CreatePlot(Coord coord1, Coord coord2, Coord coord3, Coord coord4)
     {
         Type plotType = typeof(Plot);
-        Type[] types = new Type[] { typeof(Coord), typeof(Coord), typeof(Coord), typeof(Coord) };
-        ConstructorInfo constructorInfoObj = plotType.GetConstructor(types);
+        Type[] types = [typeof(Coord), typeof(Coord), typeof(Coord), typeof(Coord)];
+        ConstructorInfo? constructorInfoObj = plotType.GetConstructor(types);
         if (constructorInfoObj != null)
         {
-            return (Plot)constructorInfoObj.Invoke(new object[] { coord1, coord2, coord3, coord4 });
+            return (Plot)constructorInfoObj.Invoke([coord1, coord2, coord3, coord4]);
         }
 
-        else
-        {
-            throw new InvalidOperationException("You need to implement a constructor for the struct Plot.  The constructor must take 4 co-ordinates.  No such constructor can be found.");
-        }
+        throw new InvalidOperationException("You need to implement a constructor for the struct Plot.  The constructor must take 4 co-ordinates.  No such constructor can be found.");
     }
 }