diff --git a/.gitignore b/.gitignore
index 98ccc2c..f881e85 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 !.git*
 !nonascii.txt
 !**/*.png
+!test_attr/
diff --git a/test_attr/test.png b/test_attr/test.png
new file mode 100644
index 0000000..23fffaf
--- /dev/null
+++ b/test_attr/test.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:efee97b635b55c8bcb63d37bb5d29c3e319701e1e51a3013ae6ad52d11005772
+size 7