Pass kwargs to expect_offense

Pass keyword arguments to `expect_offense` to format offense templates.

Author: biinari

spec/support/expect_offense.rb

@@ -9,7 +9,7 @@ module ExpectOffense
 
   DEFAULT_FILENAME = 'example_spec.rb'
 
-  def expect_offense(source, filename = DEFAULT_FILENAME)
+  def expect_offense(source, filename = DEFAULT_FILENAME, *args, **kwargs)
     super
   end