add test & fix spec issue

src/main/mastodon_bot/rss_api.cljs

@@ -8,7 +8,7 @@
    ))
 
 (s/def ::feed (s/cat :name string? :url string?))
-(s/def ::feeds (s/* ::feed))
+(s/def ::feeds (s/coll-of ::feed))
 (def rss-source?  (s/keys :req-un [::feeds]))
 
 (defn-spec rss-client any?

src/test/mastodon_bot/rss_api_test.cljs

@@ -0,0 +1,11 @@
+(ns mastodon-bot.rss-api-test
+  (:require
+   [cljs.test :refer-macros [deftest is testing run-tests]]
+   [clojure.spec.alpha :as s]
+   [mastodon-bot.rss-api :as sut]
+   ))
+
+(deftest test-spec
+  (is (s/valid? sut/rss-source?
+                {:feeds [["correctiv-blog" "https://news.correctiv.org/news/rss.php"]]}
+                )))