Improve test by having multistrat.meta file available

tests/rpc/test_rpc_apiserver.py

@@ -1597,8 +1597,9 @@ def test_api_backtest_history(botclient, mocker, testdatadir):
     rc = client_get(client, f"{BASE_URI}/backtest/history")
     assert_response(rc)
     result = rc.json()
-    assert len(result) == 1
+    assert len(result) == 3
     fn = result[0]['filename']
+    assert fn == "backtest-result_multistrat.json"
     strategy = result[0]['strategy']
     rc = client_get(client, f"{BASE_URI}/backtest/history/result?filename={fn}&strategy={strategy}")
     assert_response(rc)
@@ -1607,7 +1608,9 @@ def test_api_backtest_history(botclient, mocker, testdatadir):
     assert result2['status'] == 'ended'
     assert not result2['running']
     assert result2['progress'] == 1
-    assert result2['backtest_result']['strategy'][CURRENT_TEST_STRATEGY]
+    # Only one strategy loaded - even though we use multiresult
+    assert len(result2['backtest_result']['strategy']) == 1
+    assert result2['backtest_result']['strategy'][strategy]
 
 
 def test_health(botclient):

tests/testdata/backtest_results/backtest-result_multistrat.meta.json

@@ -0,0 +1,10 @@
+{
+    "StrategyTestV2": {
+        "run_id": "430d0271075ef327edbb23088f4db4ebe51a3dbf",
+        "backtest_start_time": 1648904006
+    },
+    "TestStrategy": {
+        "run_id": "110d0271075ef327edbb23085102b4ebe51a3d55",
+        "backtest_start_time": 1648904006
+    }
+}