[GEMINI] Refactor tests to use Config class and autouse test isolation fixture

tests/test_config.py

@@ -1,13 +1,13 @@
 # tests/test_config.py
 import toml
 from pathlib import Path
-from ctf.config import load_config, write_config
+from ctf.config import Config
 
 TEST_ENV = Path("tests/env")
 
 # {{{ test_load_config_static
 def test_load_config_static():
-    """Verifies load_config using the persistent test file."""
+    """Verifies Config loading using a persistent test file."""
     config_file = TEST_ENV / "config.toml"
     test_data = {
         "Competition": {"name": "PersistentComp"},
@@ -17,17 +17,19 @@ def test_load_config_static():
     with open(config_file, "w") as f:
         toml.dump(test_data, f)
     
-    loaded_data = load_config(str(config_file))
-    assert loaded_data["Competition"]["name"] == "PersistentComp"
+    cfg = Config(config_file)
+    assert cfg.data["Competition"]["name"] == "PersistentComp"
 # }}}
 
 # {{{ test_write_config_static
 def test_write_config_static():
-    """Verifies write_config by writing and reloading."""
+    """Verifies Config writing by saving and reloading."""
     config_file = TEST_ENV / "test_write_config.toml"
     test_data = {"TestKey": "TestVal"}
     
-    write_config(test_data, str(config_file))
-    loaded = load_config(str(config_file))
-    assert loaded == test_data
+    cfg = Config(config_file)
+    cfg.save(test_data)
+    
+    reloaded = Config(config_file)
+    assert reloaded.data == test_data
 # }}}