Revert "Merge pull request #271 from raksonibs/fix/trivial". Broke tests

This reverts commit b5ee317b87e6f8a3de50d59da8d61fad59861b4c, reversing
changes made to 98d1e8eada182c60c32c9732667ceed6e9ae2094.

diff --git a/test/visual/assets b/test/visual/assets
new file mode 120000 (symlink)
index 0000000..11ceee4
--- /dev/null
+++ b/test/visual/assets
@@ -0,0 +1 @@
+../../_build/assets
\ No newline at end of file