Prevented a crash in the tests on Mono because of a Mono bug.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>

tests/CSharpTemp/CSharpTemp.Tests.cs

@@ -27,11 +27,19 @@ public class CSharpTempTests : GeneratorTestFixture
             var isNoParams = foo.IsNoParams;
             foo.SetNoParams();
         }
+        // TODO: remove when the bug in question is fixed
+        if (Type.GetType("Mono.Runtime") != null)
+        {
+            Assert.Fail("Crashes with Mono because of a problem with marshalling arrays: https://gist.github.com/tritao/7e62c71ffe57d6bc326e");
+        }
+        else
+        {
             using (var qux = new Qux())
             {
                 new Bar(qux).Dispose();
             }
         }
+    }
 
     [Test]
     public void TestIndexer()