fix linter

Author: KirillKurdyukov

src/Ydb.Sdk/tests/Ado/YdbDataReaderTests.cs

@@ -40,11 +40,11 @@ public async Task BasedIteration_WhenNotCallMethodRead_ThrowException()
     }
 
     [Fact]
-    public void CreateYdbDataReader_WhenAbortedStatus_ThrowException()
+    public async Task CreateYdbDataReader_WhenAbortedStatus_ThrowException()
     {
         var statuses = new List<Status>();
-        Assert.Equal("Status: Aborted", Assert.Throws<YdbException>(
-                () => YdbDataReader.CreateYdbDataReader(SingleEnumeratorFailed, statuses.Add).GetAwaiter().GetResult())
+        Assert.Equal("Status: Aborted", (await Assert.ThrowsAsync<YdbException>(
+                () => YdbDataReader.CreateYdbDataReader(SingleEnumeratorFailed, statuses.Add)))
             .Message);
         Assert.Single(statuses);
         Assert.Equal(StatusCode.Aborted, statuses[0].StatusCode);

src/Ydb.Sdk/tests/Pool/ChannelPoolTests.cs

@@ -96,8 +96,7 @@ public async Task GetChannel_WhenRaceCondition_ChannelIsCreatedOneTime(bool useA
                 .Select(endpoint => Task.Run(() => _channelPool.GetChannel(endpoint)))
                 .ToArray();
 
-        // ReSharper disable once CoVariantArrayConversion
-        Task.WaitAll(tasks);
+        await Task.WhenAll(tasks);
 
         _mockChannelFactory.Verify(
             channelPool => channelPool.CreateChannel(It.IsAny<string>()), Times.Exactly(endpointCount)

src/Ydb.Sdk/tests/Value/BasicUnitTests.cs

@@ -327,7 +327,7 @@ public void ListType()
         var elements = value.GetTuple();
         Assert.Equal(2, elements.Count);
 
-        Assert.Equal(0, elements[0].GetList().Count);
+        Assert.Empty(elements[0].GetList());
         Assert.Equal(new[] { "one", "two" }, elements[1].GetList().Select(v => (string)v!));
     }
 
@@ -340,9 +340,9 @@ public void TupleType()
         });
 
         var elements = value.GetTuple();
-        Assert.Equal(1, elements.Count);
+        Assert.Single(elements);
 
-        Assert.Equal(0, elements[0].GetTuple().Count);
+        Assert.Empty(elements[0].GetTuple());
     }
 
     [Fact]
@@ -361,7 +361,7 @@ public void StructType()
         var elements = value.GetTuple();
         Assert.Equal(2, elements.Count);
 
-        Assert.Equal(0, elements[0].GetStruct().Count);
+        Assert.Empty(elements[0].GetStruct());
 
         var s = elements[1].GetStruct();
         Assert.Equal(2, s.Count);