Make tests public. Rewrite most tests. Add tests.

[pintos-anon] / grading / userprog / null.exp

diff --git a/grading/userprog/null.exp b/grading/userprog/null.exp
deleted file mode 100644 (file)
index 001f798..0000000
--- a/grading/userprog/null.exp
+++ /dev/null
@@ -1 +0,0 @@
-system call!