fix tag test

app/views/explore/posts/intro.html.erb

@@ -1,7 +1,7 @@
 <div id="c-explore-posts">
   <div id="a-intro">
     <header>
-      <h1><%= Danbooru.config.app_name %></h1>
+      <h1><%= link_to Danbooru.config.app_name, posts_path %></h1>
       <p class="byline">Find good anime art fast</p>
 
       <%= form_tag(posts_path, :method => :get) do %>

test/unit/tag_test.rb

@@ -17,16 +17,16 @@ class TagTest < ActiveSupport::TestCase
   context ".trending" do
     setup do
       Timecop.travel(1.week.ago) do
-        Post.create(:tag_string => "aaa")
+        FactoryGirl.create(:post, :tag_string => "aaa")
-        Post.create(:tag_string => "bbb")
+        FactoryGirl.create(:post, :tag_string => "bbb")
       end
 
-      Post.create(:tag_string => "bbb")
+      FactoryGirl.create(:post, :tag_string => "bbb")
-      Post.create(:tag_string => "ccc")
+      FactoryGirl.create(:post, :tag_string => "ccc")
     end
 
     should "order the results by the total post count" do
-      assert_equal([], Tag.trending)
+      assert_equal(["ccc", "bbb"], Tag.trending)
     end
   end