Fix test case to actually check the ToString() results.

ICSharpCode.Decompiler.Tests/TestCases/Correctness/ValueTypeCall.cs

@@ -238,16 +238,16 @@ namespace ICSharpCode.Decompiler.Tests.TestCases.Correctness
 		static void ToStringGeneric<T>(ref T mutRef, in T immutableRef) where T : struct
 		{
 			Console.WriteLine("ToStringGeneric:");
-			mutRef.ToString();
-			mutRef.ToString();
+			Console.WriteLine(mutRef.ToString());
+			Console.WriteLine(mutRef.ToString());
 			T copyFromMut = mutRef;
-			copyFromMut.ToString();
-			immutableRef.ToString();
-			immutableRef.ToString();
+			Console.WriteLine(copyFromMut.ToString());
+			Console.WriteLine(immutableRef.ToString());
+			Console.WriteLine(immutableRef.ToString());
 			T copyFromImmutable = immutableRef;
-			copyFromImmutable.ToString();
-			mutRef.ToString();
-			immutableRef.ToString();
+			Console.WriteLine(copyFromImmutable.ToString());
+			Console.WriteLine(mutRef.ToString());
+			Console.WriteLine(immutableRef.ToString());
 		}
 #endif
 	}