diff --git a/libp2p/stream_muxer/mplex/test_read_write_lock.py b/tests/core/stream_muxer/test_read_write_lock.py
similarity index 100%
rename from libp2p/stream_muxer/mplex/test_read_write_lock.py
rename to tests/core/stream_muxer/test_read_write_lock.py