diff --git a/testing/web-platform/meta/webaudio/the-audio-api/the-audioparam-interface/nan-param.html.ini b/testing/web-platform/meta/webaudio/the-audio-api/the-audioparam-interface/nan-param.html.ini
new file mode 100644
index 0000000000000..7f548fa5cb764
--- /dev/null
+++ b/testing/web-platform/meta/webaudio/the-audio-api/the-audioparam-interface/nan-param.html.ini
@@ -0,0 +1,123 @@
+[
+nan
+-
+param
+.
+html
+]
+[
+X
+AudioParam
+output
+:
+Expected
+1
+for
+all
+values
+but
+found
+256
+unexpected
+values
+:
+\
+n
+\
+tIndex
+\
+tActual
+\
+n
+\
+t
+[
+0
+\
+]
+\
+tNaN
+\
+n
+\
+t
+[
+1
+\
+]
+\
+tNaN
+\
+n
+\
+t
+[
+2
+\
+]
+\
+tNaN
+\
+n
+\
+t
+[
+3
+\
+]
+\
+tNaN
+\
+n
+\
+t
+.
+.
+.
+and
+252
+more
+errors
+.
+]
+expected
+:
+FAIL
+[
+<
+[
+AudioParam
+NaN
+\
+]
+1
+out
+of
+2
+assertions
+were
+failed
+.
+]
+expected
+:
+FAIL
+[
+#
+AUDIT
+TASK
+RUNNER
+FINISHED
+:
+1
+out
+of
+1
+tasks
+were
+failed
+.
+]
+expected
+:
+FAIL