quarantine dsome tests (#18671)

src/Servers/Kestrel/test/FunctionalTests/ConnectionMiddlewareTests.cs

@@ -14,6 +14,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests
 {
     public class ConnectionMiddlewareTests : LoggedTest
     {
+        [Flaky("<No longer needed; tracked in Kusto>", FlakyOn.All)]
         [Fact]
         public async Task ThrowingSynchronousConnectionMiddlewareDoesNotCrashServer()
         {

src/Servers/Kestrel/test/FunctionalTests/ResponseTests.cs

@@ -814,6 +814,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests
 
         [Fact]
         [CollectDump]
+        [Flaky("<No longer needed; tracked in Kusto>", FlakyOn.All)]
         public async Task ConnectionNotClosedWhenClientSatisfiesMinimumDataRateGivenLargeResponseHeaders()
         {
             var headerSize = 1024 * 1024; // 1 MB for each header value

src/Servers/Kestrel/test/FunctionalTests/UnixDomainSocketsTests.cs

@@ -30,6 +30,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests
 #endif
         [ConditionalFact]
         [CollectDump]
+        [Flaky("<No longer needed; tracked in Kusto>", FlakyOn.All)]
         public async Task TestUnixDomainSocket()
         {
             var path = Path.GetTempFileName();

src/SignalR/clients/csharp/Client/test/FunctionalTests/HubProtocolVersionTests.cs

@@ -65,6 +65,7 @@ namespace Microsoft.AspNetCore.SignalR.Client.FunctionalTests
 
         [Theory]
         [MemberData(nameof(TransportTypes))]
+        [Flaky("<No longer needed; tracked in Kusto>", FlakyOn.All)]
         public async Task ClientUsingOldCallWithNewProtocol(HttpTransportType transportType)
         {
             using (StartServer<VersionStartup>(out var server))

src/SignalR/common/Http.Connections/test/HttpConnectionDispatcherTests.cs

@@ -1125,6 +1125,7 @@ namespace Microsoft.AspNetCore.Http.Connections.Tests
         }
 
         [Fact]
+        [Flaky("<No longer needed; tracked in Kusto>", FlakyOn.All)]
         public async Task RequestToActiveConnectionIdKillsPreviousConnectionLongPolling()
         {
             using (StartVerifiableLog())

src/Tools/Microsoft.dotnet-openapi/test/OpenApiAddURLTests.cs

@@ -5,6 +5,7 @@ using System;
 using System.IO;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Testing;
 using Microsoft.DotNet.OpenApi.Tests;
 using Xunit;
 using Xunit.Abstractions;
@@ -459,6 +460,7 @@ namespace Microsoft.DotNet.OpenApi.Add.Tests
             Assert.False(File.Exists(jsonFile));
         }
 
+        [Flaky("<No longer needed, tracked in Kusto>", FlakyOn.All)]
         [Fact]
         public void OpenApi_Add_URL_ActualResponse()
         {

src/Tools/dotnet-user-secrets/test/SecretManagerTests.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Text;
+using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.Configuration.UserSecrets;
 using Microsoft.Extensions.Configuration.UserSecrets.Tests;
 using Microsoft.Extensions.Tools.Internal;
@@ -265,6 +266,7 @@ namespace Microsoft.Extensions.SecretManager.Tools.Tests
             Assert.Contains(Resources.Error_No_Secrets_Found, _output.ToString());
         }
 
+        [Flaky("<No longer needed, tracked in Kusto>", FlakyOn.All)]
         [Theory]
         [InlineData(true)]
         [InlineData(false)]