Fix configuring RedisCacheStore with raw: true

Author: fatkodima

activesupport/lib/active_support/cache.rb

@@ -35,6 +35,7 @@ module Cache
       :race_condition_ttl,
       :serializer,
       :skip_nil,
+      :raw,
     ]
 
     # Mapping of canonical option names to aliases that a store will recognize.

activesupport/test/cache/behaviors/cache_store_behavior.rb

@@ -742,6 +742,12 @@ def test_setting_options_in_fetch_block_does_not_change_cache_options
     end
   end
 
+  def test_configuring_store_with_raw
+    cache = lookup_store(raw: true)
+    cache.write("foo", "bar")
+    assert_equal "bar", cache.read("foo")
+  end
+
   private
     def with_raise_on_invalid_cache_expiration_time(new_value, &block)
       old_value = ActiveSupport::Cache::Store.raise_on_invalid_cache_expiration_time