C#: Address review comment

Author: calumgrant

csharp/ql/test/query-tests/API Abuse/NoDisposeCallOnLocalIDisposable/Class1.cs_

@@ -0,0 +1,42 @@
+using System;
+
+namespace DisposalTests
+{
+    public class MyType : IDisposable
+    {
+        public void Dispose()
+        {
+        }
+    }
+
+    public class Class1 : IDisposable
+    {
+        public void DisposesParameter(IDisposable p1, IDisposable p2)
+        {
+            p1.Dispose();
+        }
+
+        public void CapturesDisposable(MyType p1, MyType p2)
+        {
+            field1 = p1;
+            field2 = p2;
+        }
+
+        public void DisposesSelf()
+        {
+            Dispose();
+        }
+
+        MyType field1, field2;
+
+        public void Dispose()
+        {
+            field1.Dispose();
+        }
+
+        public static void Dispose(IDisposable d)
+        {
+            d.Dispose();
+        }
+    }
+}