diff --git a/odoo/addons/base/tests/__init__.py b/odoo/addons/base/tests/__init__.py
index 81a12552ff2..54a68834374 100644
--- a/odoo/addons/base/tests/__init__.py
+++ b/odoo/addons/base/tests/__init__.py
@@ -8,6 +8,7 @@ from . import test_db_cursor
 from . import test_expression
 from . import test_float
 from . import test_func
+from . import test_http_case
 from . import test_image
 from . import test_ir_actions
 from . import test_ir_attachment
diff --git a/odoo/addons/base/tests/test_http_case.py b/odoo/addons/base/tests/test_http_case.py
new file mode 100644
index 00000000000..1ab44b901cb
--- /dev/null
+++ b/odoo/addons/base/tests/test_http_case.py
@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo.tests.common import HttpCase, tagged
+from odoo.tools import mute_logger
+from unittest.mock import patch
+
+@tagged('-at_install', 'post_install')
+class TestHttpCase(HttpCase):
+
+    def test_console_error_string(self):
+        with self.assertRaises(AssertionError) as error_catcher:
+            code = "console.error('test error','message')"
+            with patch('odoo.tests.common.ChromeBrowser.take_screenshot', return_value=None):
+                self.browser_js(url_path='about:blank', code=code)
+        # second line must contains error message
+        self.assertEqual(error_catcher.exception.args[0].split('\n', 1)[1], "test error message")
+
+    def test_console_error_object(self):
+        with self.assertRaises(AssertionError) as error_catcher:
+            code = "console.error(TypeError('test error ' + 'message'))"
+            with patch('odoo.tests.common.ChromeBrowser.take_screenshot', return_value=None):
+                self.browser_js(url_path='about:blank', code=code)
+        # second line must contains error message
+        self.assertEqual(error_catcher.exception.args[0].split('\n', 1)[1],
+        'TypeError: test error message\n    at <anonymous>:1:15')
+
+    def test_console_log_object(self):
+        with self.assertLogs() as log_catcher:
+            code = "console.log({custom:{1:'test', 2:'a'}, value:1, description:'dummy'});console.log('test successful');"
+            self.browser_js(url_path='about:blank', code=code)
+        console_log_count = 0
+        for log in log_catcher.output:
+            if 'console log' in log:
+                text = log.split('console log: ', 1)[1]
+                if text == 'test successful':
+                    continue
+                self.assertEqual(log.split('console log: ', 1)[1], "Object\n{custom:Object, value:1, description:'dummy'}")
+                console_log_count +=1
+        self.assertEqual(console_log_count, 1)
diff --git a/odoo/tests/common.py b/odoo/tests/common.py
index 063f1d51e07..67cabbb4f10 100644
--- a/odoo/tests/common.py
+++ b/odoo/tests/common.py
@@ -834,7 +834,23 @@ class ChromeBrowser():
             elif res and res.get('method') == 'Runtime.consoleAPICalled' and res.get('params', {}).get('type') in ('log', 'error', 'trace'):
                 logs = res.get('params', {}).get('args')
                 log_type = res.get('params', {}).get('type')
-                content = " ".join([str(log.get('value', '')) for log in logs])
+                content = []
+                for log in logs:
+                    text = ''
+                    if log.get('type') == 'string':
+                        text = str(log.get('value', '`Empty string`'))
+                    elif log.get('type') == 'object' and 'Error' in log.get('className', '') and log.get('description'):
+                        text = str(log.get('description'))
+                    else:
+                        type_ = log.get('className') or log.get('type')
+                        properties = log.get('preview', {}).get('properties')
+                        if log.get('type') == 'object' and properties and all(p.get('name') is not None and p.get('value') is not None for p in properties):
+                            elems = ['%s:%s' % (p.get('name'), "'%s'" % p.get('value') if p.get('type') == 'string' else p.get('value')) for p in properties]
+                            text = "%s\n{%s}" % (type_, ", ".join(elems))
+                        else:
+                            text = str(log)
+                    content.append(text)
+                content = " ".join(content)
                 if log_type == 'error':
                     self.take_screenshot()
                     self._save_screencast()
@@ -1026,7 +1042,10 @@ class HttpCase(TransactionCase):
             # flush updates to the database before launching the client side,
             # otherwise they simply won't be visible
             ICP.flush()
-            url = "%s%s" % (base_url, url_path or '/')
+            if re.match('[a-z]*:', url_path or ''): # about:, http:, ...
+                url = url_path
+            else:
+                url = "%s%s" % (base_url, url_path or '/')
             self._logger.info('Open "%s" in browser', url)
 
             if self.browser.screencasts_dir: