diff --git a/odoo/tests/common.py b/odoo/tests/common.py
index 6c562acff79..0bcd4d4c967 100644
--- a/odoo/tests/common.py
+++ b/odoo/tests/common.py
@@ -447,7 +447,7 @@ class SavepointCase(SingleTransactionCase):
 class ChromeBrowser():
     """ Helper object to control a Chrome headless process. """
 
-    def __init__(self, logger):
+    def __init__(self, logger, window_size):
         self._logger = logger
         if websocket is None:
             self._logger.warning("websocket-client module is not installed")
@@ -459,6 +459,7 @@ class ChromeBrowser():
         self.user_data_dir = tempfile.mkdtemp(suffix='_chrome_odoo')
         self.chrome_process = None
         self.screencast_frames = []
+        self.window_size = window_size
         self._chrome_start()
         self._find_websocket()
         self._logger.info('Websocket url found: %s', self.ws_url)
@@ -529,7 +530,7 @@ class ChromeBrowser():
             '--disable-extensions': '',
             '--user-data-dir': self.user_data_dir,
             '--disable-translate': '',
-            '--window-size': '1366x768',
+            '--window-size': self.window_size,
             '--remote-debugging-port': str(self.devtools_port),
             '--no-sandbox': '',
         }
@@ -789,6 +790,7 @@ class HttpCase(TransactionCase):
     """
     registry_test_mode = True
     browser = None
+    browser_size = '1366x768'
 
     def __init__(self, methodName='runTest'):
         super(HttpCase, self).__init__(methodName)
@@ -804,7 +806,7 @@ class HttpCase(TransactionCase):
     def start_browser(cls, logger):
         # start browser on demand
         if cls.browser is None:
-            cls.browser = ChromeBrowser(logger)
+            cls.browser = ChromeBrowser(logger, cls.browser_size)
 
     @classmethod
     def tearDownClass(cls):