add new examples for chrome

desktop_env/evaluators/metrics/__init__.py

@@ -15,7 +15,8 @@ from .chrome import (
     check_font_size,
     check_enabled_experiments,
     check_history_deleted,
-    is_expected_search_query
+    is_expected_search_query,
+    is_expected_active_tab
 )
 from .docs import (
     compare_font_names,
@@ -53,6 +54,7 @@ from .general import (
     check_json,
     check_list,
     exact_match,
+    is_in_list,
     fuzzy_match,
     check_include_exclude
 )