FIX: Remove trailing whitespace to fix build

FIX: Remove trailing whitespace to fix build

diff --git a/spec/models/post_action_spec.rb b/spec/models/post_action_spec.rb
index 11ad4f4..1650c87 100644
--- a/spec/models/post_action_spec.rb
+++ b/spec/models/post_action_spec.rb
@@ -649,7 +649,7 @@ describe PostAction do
         PostAction.auto_close_if_threshold_reached(topic)
 
         expect(topic.reload.closed).to eq(true)
-        
+
         timer = TopicTimer.last
         expect(timer.execute_at).to eq(1.hour.from_now)

GitHub sha: 733a60e8