Implement new potential directive keyword test

Now we can use directive names as variables and targets type, for
example:

print = foo # variable
print{foo}: # target

1 files changed, 0 insertions, 3 deletions

diff --git a/tests/directive/test.sh b/tests/directive/test.sh
deleted file mode 100755
index b898b3c..0000000
--- a/tests/directive/test.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-
-valgrind -q b -q | diff -u test.out -