Add missing new-lines at end of file
diff --git a/src/ruby/spec/call_spec.rb b/src/ruby/spec/call_spec.rb
index 2a47eac..2617564 100644
--- a/src/ruby/spec/call_spec.rb
+++ b/src/ruby/spec/call_spec.rb
@@ -160,4 +160,4 @@
   def deadline
     Time.now + 2  # in 2 seconds; arbitrary
   end
-end
\ No newline at end of file
+end