do not use try in UserSerializer for fields coming from UserProfile

spec/serializers/user_serializer_spec.rb

@@ -4,7 +4,7 @@ require_dependency 'user'
 describe UserSerializer do
 
   context "with a user" do
-    let(:user) { Fabricate.build(:user) }
+    let(:user) { Fabricate.build(:user, user_profile: Fabricate.build(:user_profile) ) }
     let(:serializer) { UserSerializer.new(user, scope: Guardian.new, root: false) }
     let(:json) { serializer.as_json }
 
@@ -32,7 +32,14 @@ describe UserSerializer do
       end
     end
 
+    context "with filled out website" do
+      before do
+        user.user_profile.website = 'http://example.com'
+      end
 
+      it "has a website" do
+        expect(json[:website]).to eq 'http://example.com'
+      end
+    end
   end
-
 end