fix(tests): add new option to tests

Author: Guts

tests/test_config.py

@@ -21,8 +21,10 @@
 # 3rd party
 from mkdocs.config.base import Config
 
-# plugin target
 from mkdocs_rss_plugin.config import RssPluginConfig
+
+# plugin target
+from mkdocs_rss_plugin.constants import DEFAULT_CACHE_FOLDER
 from mkdocs_rss_plugin.plugin import GitRssPlugin
 
 # test suite
@@ -62,6 +64,7 @@ def test_plugin_config_defaults(self):
             "abstract_chars_count": 160,
             "abstract_delimiter": "<!-- more -->",
             "categories": None,
+            "cache_dir": f"{DEFAULT_CACHE_FOLDER.resolve()}",
             "comments_path": None,
             "date_from_meta": {
                 "as_creation": "git",
@@ -105,6 +108,7 @@ def test_plugin_config_image(self):
         expected = {
             "abstract_chars_count": 160,
             "abstract_delimiter": "<!-- more -->",
+            "cache_dir": f"{DEFAULT_CACHE_FOLDER.resolve()}",
             "categories": None,
             "comments_path": None,
             "date_from_meta": {