tests: rm some redundant "electrum_path" temp dirs

electrum/tests/test_storage_upgrade.py

@@ -319,14 +319,11 @@ class TestStorageUpgrade(WalletTestCase):
 
     def setUp(self):
         super().setUp()
-        self.__electrum_path = tempfile.mkdtemp()
-        config = SimpleConfig({'electrum_path': self.__electrum_path})
         gui_name = 'cmdline'
         # TODO it's probably wasteful to load all plugins... only need Trezor
-        self.plugins = Plugins(config, gui_name)
+        self.plugins = Plugins(self.config, gui_name)
 
     def tearDown(self):
-        shutil.rmtree(self.__electrum_path)
         self.plugins.stop()
         self.plugins.stopped_event.wait()
         super().tearDown()

electrum/tests/test_wallet.py

@@ -36,10 +36,9 @@ class WalletTestCase(ElectrumTestCase):
 
     def setUp(self):
         super(WalletTestCase, self).setUp()
-        self.user_dir = tempfile.mkdtemp()
-        self.config = SimpleConfig({'electrum_path': self.user_dir})
+        self.config = SimpleConfig({'electrum_path': self.electrum_path})
 
-        self.wallet_path = os.path.join(self.user_dir, "somewallet")
+        self.wallet_path = os.path.join(self.electrum_path, "somewallet")
 
         self._saved_stdout = sys.stdout
         self._stdout_buffer = StringIO()
@@ -47,7 +46,6 @@ class WalletTestCase(ElectrumTestCase):
 
     def tearDown(self):
         super(WalletTestCase, self).tearDown()
-        shutil.rmtree(self.user_dir)
         # Restore the "real" stdout
         sys.stdout = self._saved_stdout