Add test for app_access_token refreshing

lib/funky/connections/base.rb

@@ -52,7 +52,7 @@ def self.json_for(uri, max_retries = 3)
 
       def self.uri_with_query(uri, query={})
         return nil if uri.nil?
-        new_query = URI.decode_www_form(uri.query).to_h.merge(query)
+        new_query = URI.decode_www_form(uri.query).to_h.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}.merge(query)
         uri.query = URI.encode_www_form(new_query)
         uri
       end

spec/pages/find_spec.rb

@@ -36,5 +36,17 @@
 
       it { expect { page }.to raise_error(Funky::ContentNotFound) }
     end
+
+    context 'with invalid app access token' do
+      before { Funky::Connection::API.instance_variable_set :@app_access_token, 'invalid-token' }
+
+      context 'given an existing page ID' do
+        let(:page_id) { existing_page_id }
+
+        specify 'does not raise error by refreshing' do
+          expect{ page }.not_to raise_error
+        end
+      end
+    end
   end
 end