Add pytest option to check for js errors on page loads

Author: mdmintz

seleniumbase/plugins/pytest_plugin.py

@@ -125,6 +125,11 @@ def pytest_addoption(parser):
                      help="""Setting this overrides the default time that
                           messenger notifications remain visible when reaching
                           assert statements during Demo Mode.""")
+    parser.addoption('--check_js', action="store_true",
+                     dest='js_checking_on',
+                     default=False,
+                     help="""The option to check for Javascript errors after
+                          every page load.""")
     parser.addoption('--ad_block', action="store_true",
                      dest='ad_block_on',
                      default=False,