Allow deleting of backtest files

tests/rpc/test_rpc_apiserver.py

@@ -2014,6 +2014,34 @@ def test_api_backtest_history(botclient, mocker, testdatadir):
     assert result2['backtest_result']['strategy'][strategy]
 
 
+def test_api_delete_backtest_history_entry(botclient, mocker, tmp_path: Path):
+    ftbot, client = botclient
+
+    # Create a temporary directory and file
+    bt_results_base = tmp_path / "backtest_results"
+    bt_results_base.mkdir()
+    file_path = bt_results_base / "test.json"
+    file_path.touch()
+    meta_path = file_path.with_suffix('.meta.json')
+    meta_path.touch()
+
+    rc = client_delete(client, f"{BASE_URI}/backtest/history/randomFile.json")
+    assert_response(rc, 503)
+    assert rc.json()['detail'] == 'Bot is not in the correct state.'
+
+    ftbot.config['user_data_dir'] = tmp_path
+    ftbot.config['runmode'] = RunMode.WEBSERVER
+    rc = client_delete(client, f"{BASE_URI}/backtest/history/randomFile.json")
+    assert rc.status_code == 404
+    assert rc.json()['detail'] == 'File not found.'
+
+    rc = client_delete(client, f"{BASE_URI}/backtest/history/{file_path.name}")
+    assert rc.status_code == 200
+
+    assert not file_path.exists()
+    assert not meta_path.exists()
+
+
 def test_health(botclient):
     ftbot, client = botclient