Fixed regression

Author: sakno

src/DotNext.Tests/Threading/AsyncReaderWriterLockTests.cs

@@ -226,12 +226,10 @@ public static async Task AcquireReadWriteLockSynchronously()
     {
         using var l = new AsyncReaderWriterLock();
         True(l.TryEnterReadLock(DefaultTimeout));
-        True(l.TryEnterReadLock(DefaultTimeout));
-        Equal(2L, l.CurrentReadCount);
+        Equal(1L, l.CurrentReadCount);
 
         var t = Task.Factory.StartNew(() => l.TryEnterWriteLock(DefaultTimeout), TaskCreationOptions.LongRunning);
 
-        l.Release();
         l.Release();
 
         True(await t);

src/DotNext/Buffers/ByteBuffer.cs

@@ -357,7 +357,7 @@ public static T Read7BitEncodedInteger<T>(this ref SpanReader<byte> reader)
         do
         {
             octet = reader.Read();
-        } while (!decoder.Append(octet));
+        } while (decoder.Append(octet));
 
         return decoder.Value;
     }