diff --git a/libraries/test_data/src/test/assets/muxerdumps/elst_box.dump b/libraries/test_data/src/test/assets/muxerdumps/elst_box.dump
new file mode 100644
index 0000000000..711bcdca38
--- /dev/null
+++ b/libraries/test_data/src/test/assets/muxerdumps/elst_box.dump
@@ -0,0 +1,2 @@
+elst (40 bytes):
+  Data = length 32, hash F38A64ED