Make v2.16.x branch of test/data and use it.

diff --git a/test/data b/test/data
index 7298c222225405f116eb26608eec7baf1767c578..de453ba2218499f3a02697e4a9199eef57c7e48c 160000 (submodule)
--- a/test/data
+++ b/test/data
@@ -1 +1 @@
-Subproject commit 7298c222225405f116eb26608eec7baf1767c578
+Subproject commit de453ba2218499f3a02697e4a9199eef57c7e48c