diff --git a/electrum/tests/test_wallet_vertical.py b/electrum/tests/test_wallet_vertical.py
index eca7a8cd6..8af2a1012 100644
--- a/electrum/tests/test_wallet_vertical.py
+++ b/electrum/tests/test_wallet_vertical.py
@@ -1949,6 +1949,23 @@ class TestWalletHistory_EvilGapLimit(TestCaseForTestnet):
         "268fce617aaaa4847835c2212b984d7b7741fdab65de22813288341819bc5656": "010000000001014f1bdc64da8056d08f79db7f5348d1de55946e57aa7c8279499c703889b6e0fd0100000000fdffffff0260e316000000000016001445e9879cf7cd5b4a15df7ddcaf5c6dca0e1508bacc242600000000001600141bc12094a4475dcfbf24f9920dafddf9104ca95b02483045022100ae3618912f341fefee11b67e0047c47c88c4fa031561c3fafe993259dd14d846022056fa0a5b5d8a65942fa68bcc2f848fd71fa455ba42bc2d421b67eb49ba62aa4e01210394d8f4f06c2ea9c569eb050c897737a7315e7f2104d9b536b49968cc89a1f11033181400",
     }
 
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.electrum_path = tempfile.mkdtemp()
+        cls.config = SimpleConfig({
+            'electrum_path': cls.electrum_path,
+            'skipmerklecheck': True,  # needed for Synchronizer to generate new addresses without SPV
+        })
+
+    @classmethod
+    def tearDownClass(cls):
+        super().tearDownClass()
+        shutil.rmtree(cls.electrum_path)
+        # horrible hack. create a new config to ensure custom settings
+        # don't get persisted in the "singleton" config:
+        SimpleConfig()
+
     @classmethod
     def create_wallet(cls):
         ks = keystore.from_xpub('vpub5Vhmk4dEJKanDTTw6immKXa3thw45u3gbd1rPYjREB6viP13sVTWcH6kvbR2YeLtGjradr6SFLVt9PxWDBSrvw1Dc1nmd3oko3m24CQbfaJ')