Fix flaky test TestWaitUntilResourceAvailable (#907)

### Description
Fix flaky test TestWaitUntilResourceAvailable

### Checklist
- [x] Code compiles correctly
- [x] Code is formatted according to [Coding
Conventions](../blob/master/CodingConventions.md)
- [x] Created tests which fail without the change (if possible)
- [x] All tests passing (`dotnet test`)
- [x] Extended the README / documentation, if necessary
- [x] Provide JIRA issue id (if possible) or GitHub issue id in PR name

Snowflake.Data.Tests/UnitTests/Session/WaitingQueueTest.cs

@@ -45,6 +45,7 @@ public void TestWaitForTheResourceUntilCancellation()
         }
 
         [Test]
+        [Retry(2)]
         public void TestWaitUntilResourceAvailable()
         {
             // arrange