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, 8 deletions

diff --git a/tests/directive/buildfile b/tests/directive/buildfile
deleted file mode 100644
index 0f83717..0000000
--- a/tests/directive/buildfile
+++ /dev/null
@@ -1,8 +0,0 @@
-"print"  = a
-'print' += b
-pr"int" += c
-print'' += d
-
-print $print
-
-./: