Fixing some bugs, adding pending test examples

spec/services/follow_remote_account_service_spec.rb

@@ -1,5 +1,12 @@
 require 'rails_helper'
 
 RSpec.describe FollowRemoteAccountService do
-  pending
+  subject { FollowRemoteAccountService.new }
+
+  it 'returns nil if no such user can be resolved via webfinger'
+  it 'returns nil if the domain does not have webfinger'
+  it 'returns nil if remote user does not offer a hub URL'
+  it 'returns an already existing remote account'
+  it 'returns a new remote account'
+  it 'fills the remote account with profile information'
 end