Add tests

Change-Id: I3fadb90dc43c8e1425600f1a1ebe6c0996d37e75
diff --git a/Artifacts.toml b/Artifacts.toml
new file mode 100644
index 0000000..6e07db6
--- /dev/null
+++ b/Artifacts.toml
@@ -0,0 +1,6 @@
+[wpd19_10000]
+git-tree-sha1 = "b4e4b99c090cdf72d6c8d1377f2d99259f8184ac"
+
+    [[wpd19_10000.download]]
+    sha256 = "c305219849482ffc7f01471bd8a23e16c321a35768f7568c6cbd35fece0e0171"
+    url = "https://korap.ids-mannheim.de/data/wpd19_10000.tar.bz2"