test: improve api-strategy test

tests/rpc/test_rpc_apiserver.py

@@ -2559,13 +2559,27 @@ def test_api_strategy(botclient, tmp_path, mocker):
     rc = client_get(client, f"{BASE_URI}/strategy/{CURRENT_TEST_STRATEGY}")
 
     assert_response(rc)
-    assert rc.json()["strategy"] == CURRENT_TEST_STRATEGY
+    response = rc.json()
+    assert response["strategy"] == CURRENT_TEST_STRATEGY
 
     data = (Path(__file__).parents[1] / "strategy/strats/strategy_test_v3.py").read_text(
         encoding="utf-8"
     )
-    assert rc.json()["code"] == data
-
+    assert response["code"] == data
+    assert "params" in response
+    assert isinstance(response["params"], list)
+    assert len(response["params"]) == 6
+    buy_rsi = next(p for p in response["params"] if p["name"] == "buy_rsi")
+    assert buy_rsi == {
+        "param_type": "IntParameter",
+        "name": "buy_rsi",
+        "space": "buy",
+        "load": True,
+        "optimize": True,
+        "value": 35,  # Parameter from buy_params
+        "low": 0,
+        "high": 50,
+    }
     rc = client_get(client, f"{BASE_URI}/strategy/NoStrat")
     assert_response(rc, 404)