Fix PreGeneratedSerializerGenerator does not generate async methods.

yfakariya · yfakariya · commit f0783207e57b · 2016-07-17T03:39:25.000+09:00
diff --git a/test/MsgPack.UnitTest/Serialization/PreGeneratedSerializerGenerator.cs b/test/MsgPack.UnitTest/Serialization/PreGeneratedSerializerGenerator.cs
@@ -41,6 +41,7 @@ public void GenerateFiles()
 					OutputDirectory = "\\temp-gen35",
 #else
 					OutputDirectory = "\\temp-gen",
+					WithAsync = true,
 #endif
 					IsInternalToMsgPackLibrary = true // because of InternalsVisibleTo
 				},
