fix #499 -- tests needed to be added to braille.rs along with renaming the dir so it doesn't have a '-' (used '_')

Author: NSoiffer

tests/braille.rs

@@ -33,5 +33,10 @@ mod braille {
         mod augenbit;
         mod other;
     }
+
+    mod ASCIIMath_fi {
+        mod spec;
+        mod other;
+    }
 }