REGTEST: ssl/cli: test the 'add ssl crt-list' command

Test the 'add ssl crt-list' feature by inserting the ecdsa.pem
certificate and verifying with curl and strict-sni that it works.
diff --git a/reg-tests/ssl/localhost.crt-list b/reg-tests/ssl/localhost.crt-list
new file mode 100644
index 0000000..7dcc9a6
--- /dev/null
+++ b/reg-tests/ssl/localhost.crt-list
@@ -0,0 +1 @@
+common.pem !not.test1.com *.test1.com !localhost