Address warning: mismatched indentations at test_factory_invalid_formatter

This commit addresses the `warning: mismatched indentations` below.

```ruby
$ bundle exec ruby -w -Itest test/cases/query_logs_formatter_test.rb -n test_factory_invalid_formatter
test/cases/query_logs_formatter_test.rb:10: warning: mismatched indentations at 'end' with 'def' at 6
Using sqlite3
Run options: -n test_factory_invalid_formatter --seed 48904

.

Finished in 0.008743s, 114.3776 runs/s, 114.3776 assertions/s.
1 runs, 1 assertions, 0 failures, 0 errors, 0 skips
$
```

Follow-up rails#45081

Author: yahonda

activerecord/test/cases/query_logs_formatter_test.rb

@@ -7,7 +7,7 @@ def test_factory_invalid_formatter
     assert_raises(ArgumentError) do
       ActiveRecord::QueryLogs::FormatterFactory.from_symbol(:non_existing_formatter)
     end
-    end
+  end
 
   def test_sqlcommenter_key_value_separator
     formatter = ActiveRecord::QueryLogs::FormatterFactory.from_symbol(:sqlcommenter)