fix a few more rubocop offenses

test/integration/error_handling_test.rb

@@ -83,15 +83,15 @@ class ErrorHandlingTest < Minitest::Test
 
   def test_with_line_numbers_adds_numbers_to_parser_errors
     err = assert_raises(SyntaxError) do
-      template = Liquid::Template.parse(%q(
+      Liquid::Template.parse(%q(
           foobar
 
           {% "cat" | foobar %}
 
           bla
-                ),
+        ),
         line_numbers: true
-                                       )
+      )
     end
 
     assert_match /Liquid syntax error \(line 4\)/, err.message

test/unit/context_unit_test.rb

@@ -453,7 +453,6 @@ class ContextUnitTest < Minitest::Test
   def test_use_empty_instead_of_any_in_interrupt_handling_to_avoid_lots_of_unnecessary_object_allocations
     mock_any = Spy.on_instance_method(Array, :any?)
     mock_empty = Spy.on_instance_method(Array, :empty?)
-    mock_has_interrupt = Spy.on(@context, :has_interrupt?).and_call_through
 
     @context.has_interrupt?