Adding test for alarm mail.

Can't test all the functionality, so skipping DNS lookup and the
actual mailing via sendmail.

testing/btest/scripts/base/frameworks/notice/mail-alarms.bro

@@ -0,0 +1,17 @@
+# @TEST-EXEC: bro -C -r $TRACES/web.trace %INPUT
+# @TEST-EXEC: btest-diff alarm-mail.txt
+
+redef Notice::policy += { [$action = Notice::ACTION_ALARM, $priority = 1 ] };
+redef Notice::force_email_summaries = T;
+
+redef enum Notice::Type += {
+	Test_Notice,
+};
+
+event connection_established(c: connection)
+	{
+	NOTICE([$note=Test_Notice, $conn=c, $msg="test", $identifier="static"]);
+	}
+
+
+