try fix DisableParallelization in PMTests and autoformat

Author: LiamHamsters

src/Ydb.Sdk/src/Ado/Session/ImplicitSession.cs

@@ -50,10 +50,7 @@ public void OnNotSuccessStatusCode(StatusCode code)
     {
     }
 
-    public void Close()
-    {
-        _onClose?.Invoke();
-    }
+    public void Close() => _onClose?.Invoke();
 
     private static YdbException NotSupportedTransaction =>
         new(StatusCode.BadRequest, "Transactions are not supported in implicit sessions");

src/Ydb.Sdk/src/Ado/YdbConnection.cs

@@ -50,7 +50,8 @@ internal ISession GetExecutionSession(bool useImplicit)
         if (!useImplicit)
             return Session;
 
-        _implicitSessionSource ??= new ImplicitSessionSource(Session.Driver, onEmpty: () => _implicitSessionSource = null);
+        _implicitSessionSource ??=
+            new ImplicitSessionSource(Session.Driver, onEmpty: () => _implicitSessionSource = null);
         return _implicitSessionSource.OpenSession(CancellationToken.None).GetAwaiter().GetResult();
     }
 

src/Ydb.Sdk/test/Ydb.Sdk.Ado.Tests/PoolManagerTests.cs

@@ -3,8 +3,10 @@
 
 namespace Ydb.Sdk.Ado.Tests;
 
-[Collection("PoolManagerTests")]
 [CollectionDefinition("PoolManagerTests", DisableParallelization = true)]
+public sealed class PoolManagerCollection { }
+
+[Collection("PoolManagerTests")]
 public class PoolManagerTests
 {
     [Theory]