Deprecate JWT flow in favor of OAuth2 flow

Change-Id: I98f44d80be07dfd4bf97bcbd30510128fd035a46
diff --git a/t/plugin/auth.t b/t/plugin/auth.t
index bd9a3b1..1d1a375 100644
--- a/t/plugin/auth.t
+++ b/t/plugin/auth.t
@@ -13,7 +13,10 @@
 
 my $t = Test::Mojo->new('Kalamar' => {
   Kalamar => {
-    plugins => ['Auth']
+    plugins => ['Auth'],
+  },
+  'Kalamar-Auth' => {
+    jwt => 1
   }
 });