Fix GroupReconfiguration::BsControllerDoesNotDisableGroup* tests (#26417)

Author: serbel324

.github/config/muted_ya.txt

@@ -1,7 +1,5 @@
 ydb/core/blobstorage/pdisk/ut TPDiskTest.TestStartEncryptedOrPlainAndRestart
 ydb/core/blobstorage/ut_blobstorage BlobPatching.PatchBlock42
-ydb/core/blobstorage/ut_blobstorage GroupReconfiguration.BsControllerDoesNotDisableGroup
-ydb/core/blobstorage/ut_blobstorage GroupReconfiguration.BsControllerDoesNotDisableGroupNoRequestsToNodesWVDisks
 ydb/core/blobstorage/ut_blobstorage unittest.[*/*] chunk
 ydb/core/blobstorage/ut_blobstorage/ut_huge HugeBlobOnlineSizeChange.Compaction
 ydb/core/blobstorage/ut_blobstorage/ut_huge unittest.[*/*] chunk

ydb/core/blobstorage/ut_blobstorage/group_reconfiguration.cpp

@@ -182,7 +182,7 @@ Y_UNIT_TEST_SUITE(GroupReconfiguration) {
         const ui32 numDCs = 3;
         const ui32 numNodesInDC = 4;
         const ui32 numNodes = numDCs * numNodesInDC;
-        const ui32 bscNodeId = numNodes;
+        const ui32 bscNodeId = numNodes + 1;
 
         ui32 groupId;
         std::set<ui32> nodesInGroup;
@@ -200,7 +200,7 @@ Y_UNIT_TEST_SUITE(GroupReconfiguration) {
 
         response = env->Invoke(request);
 
-        std::array<bool, numNodes - 1> passedMessages{true};
+        std::array<bool, numNodes> passedMessages{true};
 
         env->Runtime->FilterFunction = [&](ui32 nodeId, std::unique_ptr<IEventHandle>& ev) {
             if (ev->Sender.NodeId() == bscNodeId && nodeId != bscNodeId) {