diff --git a/tests/conftest.py b/tests/conftest.py
index f87dcf83d..346d8fb8c 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1135,6 +1135,7 @@ def get_markets():
             'taker': 0.0006,
             'maker': 0.0002,
             'contractSize': 10,
+            'maintenanceMarginRate': 0.02,
             'active': True,
             'expiry': None,
             'expiryDatetime': None,
diff --git a/tests/exchange/test_exchange.py b/tests/exchange/test_exchange.py
index 2fb1c85ad..dca9ee994 100644
--- a/tests/exchange/test_exchange.py
+++ b/tests/exchange/test_exchange.py
@@ -4313,7 +4313,7 @@ def test_get_leverage_tiers_for_pair(mocker, default_conf, leverage_tiers):
     type(api_mock)._ft_has = PropertyMock(return_value={'fetchLeverageTiers': True})
     exchange = get_patched_exchange(mocker, default_conf, api_mock)
     exchange._ft_has['can_fetch_multiple_tiers'] = False
-    assert exchange.get_leverage_tiers_for_pair('ADA/USDT') is None
+    assert exchange.get_leverage_tiers_for_pair('ADA/USDT') == []
 
     # 'can_fetch_multiple_tiers': True
     default_conf['trading_mode'] = 'futures'
@@ -4321,19 +4321,19 @@ def test_get_leverage_tiers_for_pair(mocker, default_conf, leverage_tiers):
     type(api_mock).has = PropertyMock(return_value={'fetchLeverageTiers': True})
     exchange = get_patched_exchange(mocker, default_conf, api_mock)
     exchange._ft_has['can_fetch_multiple_tiers'] = True
-    assert exchange.get_leverage_tiers_for_pair('ADA/USDT:USDT') is None
+    assert exchange.get_leverage_tiers_for_pair('ADA/USDT:USDT') == []
 
     # 'fetchLeverageTiers': False
     type(api_mock).has = PropertyMock(return_value={'fetchLeverageTiers': False})
     exchange = get_patched_exchange(mocker, default_conf, api_mock)
     exchange._ft_has['can_fetch_multiple_tiers'] = False
-    assert exchange.get_leverage_tiers_for_pair('ADA/USDT:USDT') is None
+    assert exchange.get_leverage_tiers_for_pair('ADA/USDT:USDT') == []
 
     # 'fetchLeverageTiers': False
     type(api_mock).has = PropertyMock(return_value={'fetchLeverageTiers': True})
     exchange = get_patched_exchange(mocker, default_conf, api_mock)
     exchange._ft_has['can_fetch_multiple_tiers'] = False
-    assert exchange.get_leverage_tiers_for_pair('ADA/USDT:USDT') is not None
+    assert exchange.get_leverage_tiers_for_pair('ADA/USDT:USDT') != []
 
     type(api_mock).has = PropertyMock(return_value={'fetchLeverageTiers': True})
     default_conf['dry_run'] = False
diff --git a/tests/exchange/test_gateio.py b/tests/exchange/test_gateio.py
index f344ee7cb..d8c9d12b6 100644
--- a/tests/exchange/test_gateio.py
+++ b/tests/exchange/test_gateio.py
@@ -46,18 +46,16 @@ def test_get_maintenance_ratio_and_amt_gateio(default_conf, mocker, pair, mm_rat
                 'ETH/USDT:USDT': {
                     'taker': 0.0000075,
                     'maker': -0.0000025,
-                    'info': {
-                        'maintenance_rate': '0.005',
-                    },
+                    'maintenanceMarginRate': 0.005,
+                    'info': {},
                     'id': 'ETH_USDT',
                     'symbol': 'ETH/USDT:USDT',
                 },
                 'ADA/USDT:USDT': {
                     'taker': 0.0000075,
                     'maker': -0.0000025,
-                    'info': {
-                        'maintenance_rate': '0.003',
-                    },
+                    'maintenanceMarginRate': 0.003,
+                    'info': {},
                     'id': 'ADA_USDT',
                     'symbol': 'ADA/USDT:USDT',
                 },
diff --git a/tests/exchange/test_okex.py b/tests/exchange/test_okex.py
index 997f65d27..9f9d02d09 100644
--- a/tests/exchange/test_okex.py
+++ b/tests/exchange/test_okex.py
@@ -10,7 +10,7 @@ def test_get_maintenance_ratio_and_amt_okex(
     api_mock = MagicMock()
     default_conf['trading_mode'] = 'futures'
     default_conf['margin_mode'] = 'isolated'
-    default_conf['dry_run'] = True
+    default_conf['dry_run'] = False
     api_mock.fetch_leverage_tiers = MagicMock(return_value={
         'SHIB/USDT:USDT': [
             {