diff --git a/charms/tempest-k8s/tests/unit/test_tempest_charm.py b/charms/tempest-k8s/tests/unit/test_tempest_charm.py
index 79c1134a..280c364d 100644
--- a/charms/tempest-k8s/tests/unit/test_tempest_charm.py
+++ b/charms/tempest-k8s/tests/unit/test_tempest_charm.py
@@ -184,7 +184,7 @@ class TestTempestOperatorCharm(test_utils.CharmTestCase):
 
     def add_grafana_dashboard_relation(self, harness):
         """Add grafana dashboard relation."""
-        rel_id = harness.add_relation("grafana_dashboard", "grafana")
+        rel_id = harness.add_relation("grafana-dashboard", "grafana")
         harness.add_relation_unit(rel_id, "grafana/0")
         harness.charm.grafana.interface = Mock()
         return rel_id
diff --git a/tox.ini b/tox.ini
index b90f1e89..806b99a4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -89,6 +89,8 @@ passenv =
   HOME
   PYTHONPATH
 setenv =
+  # Set TEST_JUJU3 To unpin juju<3 in zaza
+  TEST_JUJU3 = 1
   TEST_MODEL_SETTINGS = automatically-retry-hooks=true
   TEST_MAX_RESOLVE_COUNT = 5
   PYTHONPATH = {toxinidir}/tests/local:{env:PYTHONPATH}