Add some trivial regression tests, one of which fails.
diff --git a/.gitignore b/.gitignore
index b1b3383..9b4eaa8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -109,3 +109,8 @@
 stamp-h1
 tdfx.kld
 via.kld
+tests/dristat
+tests/drmstat
+tests/getclient
+tests/getversion
+tests/openclose