try this

Author: RulaKhaled

api/public/v2/tests/test_test_results_view.py

@@ -53,6 +53,7 @@ def test_list(self):
                     "outcome": self.test_instances[0].outcome,
                     "branch": self.test_instances[0].branch,
                     "repoid": self.test_instances[0].repoid,
+                    "failure_rate": 0.0,
                 },
                 {
                     "id": self.test_instances[1].id,
@@ -64,6 +65,7 @@ def test_list(self):
                     "outcome": self.test_instances[1].outcome,
                     "branch": self.test_instances[1].branch,
                     "repoid": self.test_instances[1].repoid,
+                    "failure_rate": 0.0,
                 },
             ],
             "total_pages": 1,
@@ -95,6 +97,7 @@ def test_list_filters(self):
                     "outcome": self.test_instances[0].outcome,
                     "branch": self.test_instances[0].branch,
                     "repoid": self.test_instances[0].repoid,
+                    "failure_rate": 0.0,
                 },
             ],
             "total_pages": 1,
@@ -125,6 +128,7 @@ def test_retrieve(self, get_repo_permissions):
             "outcome": self.test_instances[0].outcome,
             "branch": self.test_instances[0].branch,
             "repoid": self.test_instances[0].repoid,
+            "failure_rate": 0.0,
         }
 
     @patch("api.shared.permissions.RepositoryArtifactPermissions.has_permission")
@@ -226,4 +230,5 @@ def test_result_with_valid_super_token(
             "outcome": self.test_instances[0].outcome,
             "branch": self.test_instances[0].branch,
             "repoid": self.test_instances[0].repoid,
+            "failure_rate": 0.0,
         }