regress: add bwatch

diff --git a/regress/bwatch b/regress/bwatch
new file mode 100755 (executable)
index 0000000..2bfde3e
--- /dev/null
+++ b/regress/bwatch
@@ -0,0 +1,2 @@
+#!/bin/sh
+watch -n15 'echo status client | bin/bconsole'