message: Add QuicStreamManagerTest to the cmake build
  Summary:
  It was not built/run buy the cmake build.
  Pull Request resolved:
diff: @@ -26,6 +26,15 @@ quic_add_test(TARGET QuicStreamFunctionsTest
  mvfst_test_utils
  )
  +quic_add_test(TARGET QuicStreamManagerTest
  + QuicStreamManagerTest.cpp
  + DEPENDS
  + mvfst_client
  + mvfst_server
  + mvfst_state_stream_functions
  + mvfst_test_utils
  +)
  +
  quic_add_test(TARGET AckHandlersTest
  SOURCES
  AckHandlersTest.cpp
  