Fix confusion about which test/data branch we're using (should be master).

diff --git a/test/data b/test/data
index 04fc3a153081196d7f67ccf3aea1dc04f5a8b519..ac2e944a33e920879dc9f87348706d1e1e3d76bd 160000 (submodule)
--- a/test/data
+++ b/test/data
@@ -1 +1 @@
-Subproject commit 04fc3a153081196d7f67ccf3aea1dc04f5a8b519
+Subproject commit ac2e944a33e920879dc9f87348706d1e1e3d76bd