fix linter

Author: KirillKurdyukov

src/Ydb.Sdk/src/Services/Topic/Reader/Utils.cs

@@ -6,7 +6,7 @@ internal static long CalculateApproximatelyBytesSize(long bytesSize, int countPa
     {
         return bytesSize / countParts + (currentIndex == countParts - 1 ? bytesSize % countParts : 0);
     }
-    
+
     internal static void SetPartitionClosedException(CommitSending commitSending, long partitionSessionId)
     {
         commitSending.TcsCommit.TrySetException(

src/Ydb.Sdk/tests/Topic/ReaderIntegrationTests.cs

@@ -41,6 +41,7 @@ public async Task StressTest_WhenReadingThenCommiting_ReturnMessages()
             Assert.Equal($"{i}: Hello World!", message.Data);
             await message.CommitAsync();
         }
+
         reader.Dispose();
 
         var readerNext = new ReaderBuilder<string>(_driver)
@@ -59,7 +60,7 @@ public async Task StressTest_WhenReadingThenCommiting_ReturnMessages()
         }
 
         readerNext.Dispose();
-        
+
         await topicClient.DropTopic(new DropTopicSettings { Path = _topicName });
     }
 }

src/Ydb.Sdk/tests/Topic/ReaderUnitTests.cs

@@ -1,7 +1,6 @@
 using Google.Protobuf;
 using Grpc.Core;
 using Moq;
-using Xunit;
 using Ydb.Sdk.Services.Topic.Reader;
 using Ydb.Topic;
 
@@ -113,7 +112,7 @@ public async Task Initialize_WhenFailWriteMessage_ShouldRetryInitializeAndReadTh
             SubscribeSettings = { new SubscribeSettings("/topic") }
         }.Build();
 
-        var message = await reader.ReadAsync();
+        await reader.ReadAsync();
         // await message.CommitAsync();
         // Assert.Equal(100, message.Data);
     }