FIX: Don't raise an error if reading from URL timeout.

lib/final_destination.rb

@@ -123,6 +123,8 @@ class FinalDestination
       return resolve
     end
 
+    nil
+  rescue Excon::Errors::Timeout
     nil
   end
 

spec/components/final_destination_spec.rb

@@ -53,11 +53,17 @@ describe FinalDestination do
       expect(fd('https://eviltrout.com').status).to eq(:ready)
     end
 
-    it "returns nil an invalid url" do
+    it "returns nil for an invalid url" do
       expect(fd(nil).resolve).to be_nil
       expect(fd('asdf').resolve).to be_nil
     end
 
+    it "returns nil when read timeouts" do
+      Excon.expects(:public_send).raises(Excon::Errors::Timeout)
+
+      expect(fd('https://discourse.org').resolve).to eq(nil)
+    end
+
     context "without redirects" do
       before do
         stub_request(:head, "https://eviltrout.com").to_return(doc_response)