unit test for chunking stream

Author: kai-ion

src/aws-cpp-sdk-core/include/smithy/client/features/ChunkingInterceptor.h

@@ -46,8 +46,7 @@ class AwsChunkedStreamWrapper {
             if (gptr() < egptr()) {
                 return traits_type::to_int_type(*gptr());
             }
-            
-            // BufferedRead logic inlined per Sam's guidance
+
             if (m_stream->good()) {
                 m_stream->read(m_data.GetUnderlyingData(), m_bufferSize);
                 size_t bytesRead = static_cast<size_t>(m_stream->gcount());