NUnitVersion tests no longer needed

src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj

@@ -64,7 +64,6 @@
     <Compile Include="ChannelOptionsTest.cs" />
     <Compile Include="Internal\TimespecTest.cs" />
     <Compile Include="TimeoutsTest.cs" />
-    <Compile Include="NUnitVersionTest.cs" />
     <Compile Include="ChannelTest.cs" />
     <Compile Include="MockServiceHelper.cs" />
     <Compile Include="ResponseHeadersTest.cs" />

src/csharp/Grpc.Core.Tests/NUnitVersionTest.cs

-#region Copyright notice and license
-
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#endregion
-
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-using Grpc.Core;
-using Grpc.Core.Internal;
-using Grpc.Core.Utils;
-using NUnit.Framework;
-
-namespace Grpc.Core.Tests
-{
-    /// <summary>
-    /// Tests if the version of nunit-console used is sufficient to run async tests.
-    /// </summary>
-    public class NUnitVersionTest
-    {
-        private int testRunCount = 0;
-
-        [TestFixtureTearDown]
-        public void Cleanup()
-        {
-            if (testRunCount != 2)
-            {
-                Console.Error.WriteLine("You are using and old version of NUnit that doesn't support async tests and skips them instead. " +
-                "This test has failed to indicate that.");
-                Console.Error.Flush();
-                throw new Exception("NUnitVersionTest has failed.");
-            }
-        }
-
-        [Test]
-        public void NUnitVersionTest1()
-        {
-            testRunCount++;
-        }
-
-        // Old version of NUnit will skip this test
-        [Test]
-        public async Task NUnitVersionTest2()
-        {
-            testRunCount++;
-            await Task.Delay(10);
-        }
-    }
-}

src/csharp/tests.json

@@ -22,7 +22,6 @@
     "Grpc.Core.Tests.HalfcloseTest",
     "Grpc.Core.Tests.MarshallingErrorsTest",
     "Grpc.Core.Tests.MetadataTest",
-    "Grpc.Core.Tests.NUnitVersionTest",
     "Grpc.Core.Tests.PerformanceTest",
     "Grpc.Core.Tests.PInvokeTest",
     "Grpc.Core.Tests.ResponseHeadersTest",