Moving AsAsyncEnumerable tests.

Ix.NET/Source/System.Interactive.Async.Tests/AsyncTests.Single.cs

@@ -5,7 +5,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Threading;
 using System.Threading.Tasks;
 using Xunit;
 
@@ -57,25 +56,6 @@ namespace Tests
             NoNext(e);
         }
 
-        [Fact]
-        public void AsAsyncEnumerable_Null()
-        {
-            AssertThrows<ArgumentNullException>(() => AsyncEnumerable.AsAsyncEnumerable<int>((IAsyncEnumerable<int>)null));
-        }
-
-        [Fact]
-        public void AsAsyncEnumerable1()
-        {
-            var xs = AsyncEnumerable.Return(42);
-            var ys = xs.AsAsyncEnumerable();
-
-            Assert.NotSame(xs, ys);
-
-            var e = xs.GetAsyncEnumerator();
-            HasNext(e, 42);
-            NoNext(e);
-        }
-
         [Fact]
         public void RepeatSeq_Null()
         {

Ix.NET/Source/System.Linq.Async.Tests/System/Linq/Operators/AsAsyncEnumerable.cs

@@ -0,0 +1,33 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information. 
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Xunit;
+
+namespace Tests
+{
+    public class AsAsyncEnumerable : AsyncEnumerableTests
+    {
+        [Fact]
+        public void AsAsyncEnumerable_Null()
+        {
+            AssertThrows<ArgumentNullException>(() => AsyncEnumerable.AsAsyncEnumerable<int>((IAsyncEnumerable<int>)null));
+        }
+
+        [Fact]
+        public void AsAsyncEnumerable1()
+        {
+            var xs = AsyncEnumerable.Return(42);
+            var ys = xs.AsAsyncEnumerable();
+
+            Assert.NotSame(xs, ys);
+
+            var e = xs.GetAsyncEnumerator();
+            HasNext(e, 42);
+            NoNext(e);
+        }
+    }
+}