Moving Throw tests.

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

@@ -28,26 +28,5 @@ namespace Tests
 
             AssertThrows<NotSupportedException>(() => enu.GetAsyncEnumerator());
         }
-
-        [Fact]
-        public void Throw_Null()
-        {
-            AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Throw<int>(null));
-        }
-
-        [Fact]
-        public void Throw()
-        {
-            var ex = new Exception("Bang");
-            var xs = AsyncEnumerable.Throw<int>(ex);
-
-            var e = xs.GetAsyncEnumerator();
-            AssertThrows(() => e.MoveNextAsync().Wait(WaitTimeoutMs), (Exception ex_) => ((AggregateException)ex_).InnerExceptions.Single() == ex);
-            AssertThrows<InvalidOperationException>(() => Nop(e.Current));
-        }
-
-        private void Nop(object o)
-        {
-        }
     }
 }

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

@@ -0,0 +1,34 @@
+// 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.Linq;
+using Xunit;
+
+namespace Tests
+{
+    public class Throw : AsyncEnumerableTests
+    {
+        [Fact]
+        public void Throw_Null()
+        {
+            AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Throw<int>(null));
+        }
+
+        [Fact]
+        public void Throw1()
+        {
+            var ex = new Exception("Bang");
+            var xs = AsyncEnumerable.Throw<int>(ex);
+
+            var e = xs.GetAsyncEnumerator();
+            AssertThrows(() => e.MoveNextAsync().Wait(WaitTimeoutMs), (Exception ex_) => ((AggregateException)ex_).InnerExceptions.Single() == ex);
+            AssertThrows<InvalidOperationException>(() => Nop(e.Current));
+        }
+
+        private void Nop(object o)
+        {
+        }
+    }
+}