From f6a0c116f9cbaf39bcb4c4aec28307e0540ae512 Mon Sep 17 00:00:00 2001
From: csharptest <roger@csharptest.net>
Date: Sat, 7 Feb 2015 10:47:13 -0600
Subject: [PATCH] Issue 70: Portable library project has some invalid
 Nunit-based code.

---
 src/ProtocolBuffers.Test/TestWriterFormatJson.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ProtocolBuffers.Test/TestWriterFormatJson.cs b/src/ProtocolBuffers.Test/TestWriterFormatJson.cs
index b658086cd9..6b163824cb 100644
--- a/src/ProtocolBuffers.Test/TestWriterFormatJson.cs
+++ b/src/ProtocolBuffers.Test/TestWriterFormatJson.cs
@@ -492,7 +492,7 @@ namespace Google.ProtocolBuffers
                .SetPackage("package")
                .BuildPartial();
 
-            Assert.NotNull(opts.ToJson());
+            Assert.IsNotNull(opts.ToJson());
         }
     }
 }