Fix "make tests". (realpath was replacing command name with "toybox".)
diff --git a/scripts/test.sh b/scripts/test.sh
index b22f928..bc00058 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -42,7 +42,7 @@
     C="$(which $CMDNAME 2>/dev/null)"
     [ -z "$C" ] && "C=$CMDNAME"
   fi
-  C="$(realpath "$C")"
+  C="$(dirname $(realpath "$C"))/$CMDNAME"
 
   . "$1"
 }