Fixed a unit test.

Author: Niklas Gustafsson

test/TorchSharpTest/TestAutogradFunction.cs

@@ -162,15 +162,15 @@ public void TestCustomTwoInputOneGradientLinearFunction_CUDA()
         public void TestCustomLinearXORLearn_CPU()
         {
             float loss = TrainXOR(torch.CPU);
-            LossIsClose(loss, 0.4513f);
+            LossIsClose(0.4513f, loss);
         }
 
         [Fact]
         public void TestCustomLinearXORLearn_CUDA()
         {
             if (torch.cuda.is_available()) {
                 float loss = TrainXOR(torch.CUDA);
-                LossIsClose(loss, 0.4513f);
+                LossIsClose(0.4513f, loss);
             }
         }
 
@@ -179,7 +179,7 @@ public void TestCustomLinearXORLearn_Parallel_CPU()
         {
             Enumerable.Range(0, 20).AsParallel().ForAll(i => {
                 float loss = TrainXOR(torch.CPU);
-                LossIsClose(loss, 0.4513f);
+                LossIsClose(0.4513f, loss);
             });
         }