fix: add missing function import in certificate template (openedx#33904…

…) (openedx#34171)

* fix: add missing function import in certificate template
* test: add test case to check certificates generated when GA4 is enabled

(cherry picked from commit d0a49d1)

lms/djangoapps/certificates/tests/test_views.py

@@ -165,3 +165,19 @@ def test_html_view_site_configuration_missing(self):
             response,
             'This should not survive being overwritten by static content',
         )
+
+    @override_settings(FEATURES=FEATURES_WITH_CERTS_ENABLED, GOOGLE_ANALYTICS_4_ID='GA-abc')
+    @with_site_configuration(configuration={'platform_name': 'My Platform Site'})
+    def test_html_view_with_g4(self):
+        test_url = get_certificate_url(
+            user_id=self.user.id,
+            course_id=str(self.course.id),
+            uuid=self.cert.verify_uuid
+        )
+        self._add_course_certificates(count=1, signatory_count=2)
+        response = self.client.get(test_url)
+        self.assertContains(
+            response,
+            'awarded this My Platform Site Honor Code Certificate of Completion',
+        )
+        self.assertContains(response, 'googletagmanager')

lms/templates/certificates/accomplishment-base.html

@@ -1,7 +1,9 @@
 <%page expression_filter="h"/>
 <%namespace name='static' file='/static_content.html'/>
-<%! from django.utils.translation import gettext as _%>
-
+<%!
+from django.utils.translation import gettext as _
+from openedx.core.djangolib.js_utils import js_escaped_string
+%>
 <%
 # set doc language direction
 from django.utils.translation import get_language_bidi