When checking for JS errors, give enough time for them to appear

Author: mdmintz

seleniumbase/fixtures/base_case.py

@@ -1811,6 +1811,7 @@ def assert_no_js_errors(self):
                 * See https://github.com/SeleniumHQ/selenium/issues/1161
             Based on the following Stack Overflow solution:
                 * https://stackoverflow.com/a/41150512/7058266 """
+        time.sleep(0.1)  # May take a moment for errors to appear after loads.
         try:
             browser_logs = self.driver.get_log('browser')
         except (ValueError, WebDriverException):