fix failing tests

Snowflake.Data.Tests/IntegrationTests/SFConnectionIT.cs

@@ -2284,7 +2284,9 @@ public void TestOpenAsyncThrowExceptionWhenConnectToUnreachableHost()
                 var thrown = Assert.Throws<AggregateException>(() => connection.OpenAsync().Wait());
 
                 // assert
-                SnowflakeDbExceptionAssert.HasErrorCode(thrown.InnerException, SFError.INTERNAL_ERROR);
+                Assert.IsTrue(thrown.InnerException is TaskCanceledException || thrown.InnerException is SnowflakeDbException);
+                if (thrown.InnerException is SnowflakeDbException)
+                    SnowflakeDbExceptionAssert.HasErrorCode(thrown.InnerException, SFError.INTERNAL_ERROR);
                 Assert.AreEqual(ConnectionState.Closed, connection.State);
             }
         }

Snowflake.Data/Core/HttpUtil.cs

@@ -13,7 +13,6 @@
 using System.Web;
 using System.Security.Authentication;
 using System.Linq;
-using Snowflake.Data.Client;
 using Snowflake.Data.Core.Authenticator;
 
 namespace Snowflake.Data.Core
@@ -88,7 +87,7 @@ public sealed class HttpUtil
 
         private HttpUtil()
         {
-            // This value is used by AWS SDK and can cause deadlock,
+            // This value is used by AWS SDK and can cause deadlock, 
             // so we need to increase the default value of 2
             // See: https://github.com/aws/aws-sdk-net/issues/152
             ServicePointManager.DefaultConnectionLimit = 50;
@@ -182,15 +181,15 @@ internal HttpMessageHandler SetupCustomHttpHandler(HttpClientConfig config)
                     {
                         // Get the original entry
                         entry = bypassList[i].Trim();
-                        // . -> [.] because . means any char
+                        // . -> [.] because . means any char 
                         entry = entry.Replace(".", "[.]");
                         // * -> .*  because * is a quantifier and need a char or group to apply to
                         entry = entry.Replace("*", ".*");
-
+                        
                         entry = entry.StartsWith("^") ? entry : $"^{entry}";
-
+                        
                         entry = entry.EndsWith("$") ? entry : $"{entry}$";
-
+                        
                         // Replace with the valid entry syntax
                         bypassList[i] = entry;
 
@@ -374,6 +373,7 @@ protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage
 
                 while (true)
                 {
+
                     try
                     {
                         childCts = null;
@@ -384,7 +384,7 @@ protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage
                             if (httpTimeout.Ticks == 0)
                                 childCts.Cancel();
                             else
-                                childCts.CancelAfter(httpTimeout);
+                                childCts.CancelAfter(httpTimeout);                        
                         }
                         response = await base.SendAsync(requestMessage, childCts == null ?
                             cancellationToken : childCts.Token).ConfigureAwait(false);
@@ -454,8 +454,7 @@ protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage
                         {
                             return response;
                         }
-                        throw new SnowflakeDbException(new OperationCanceledException($"http request failed and max retry {maxRetryCount} reached"),
-                            SFError.INTERNAL_ERROR, "Unable to connect");
+                        throw new OperationCanceledException($"http request failed and max retry {maxRetryCount} reached");
                     }
 
                     // Disposing of the response if not null now that we don't need it anymore