test: Rename test directories to use an explicit order

For convenience, rename the directories so the order is explicit in the name.
Make the simple test run first, to save time if it's not working.

test/t-01-simple_local/run.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+set -e
+. $(dirname ${0})/../util/lib.sh
+
+init
+
+generate_certs_for testserver
+
+chasquid -v=2 --log_dir=.logs --config_dir=config &
+wait_until_ready 1025
+
+run_msmtp someone@testserver < content
+
+wait_for_file .mail/someone@testserver
+
+mail_diff content .mail/someone@testserver
+
+if run_msmtp -a baduser someone@testserver < content 2> /dev/null; then
+	echo "ERROR: successfully sent an email with a bad password"
+	exit 1
+fi
+
+if run_msmtp -a badpasswd someone@testserver < content 2> /dev/null; then
+	echo "ERROR: successfully sent an email with a bad password"
+	exit 1
+fi
+
+success