tests: check there's no tracking code mention when it's disabled

tests/test_form_pages.py

@@ -234,6 +234,15 @@ def test_form_tryauth():
     pub.cfg['identification'] = {'methods': ['password']}
     pub.write_cfg()
 
+def test_form_no_tracking_code():
+    formdef = create_formdef()
+    formdef.data_class().wipe()
+    formdef.fields = [fields.StringField(id='0', label='string')]
+    formdef.enable_tracking_codes = False
+    formdef.store()
+    resp = get_app(pub).get('/test/')
+    assert not '<h3>Tracking code</h3>' in resp.body
+
 def test_form_tracking_code():
     formdef = create_formdef()
     formdef.data_class().wipe()