Add a test for drawable add, remove, and update.
diff --git a/.gitignore b/.gitignore
index 9b4eaa8..7ab6ced 100644
--- a/.gitignore
+++ b/.gitignore
@@ -114,3 +114,4 @@
 tests/getclient
 tests/getversion
 tests/openclose
+tests/updatedraw