fix(tests): Raise CalledProcessError if run-ui-test errors

frappe/commands/utils.py

@@ -478,7 +478,7 @@ def run_ui_tests(context, app, headless=False):
 	run_or_open = 'run' if headless else 'open'
 	command = '{site_env} {password_env} yarn run cypress {run_or_open}'
 	formatted_command = command.format(site_env=site_env, password_env=password_env, run_or_open=run_or_open)
-	frappe.commands.popen(formatted_command, cwd=app_base_path)
+	frappe.commands.popen(formatted_command, cwd=app_base_path, raise_err=True)
 
 @click.command('run-setup-wizard-ui-test')
 @click.option('--app', help="App to run tests on, leave blank for all apps")