rename tests/ to data/

tests/data/ordered_list.md

@@ -0,0 +1,16 @@
+Here's a regular ordered list:
+
+1. one
+2. two
+3. three
+
+Here's one with repeating numbers:
+
+1. one
+1. two
+
+Here's one with large numbers:
+
+123. one
+123. two
+