Add test case for loss of one node

pytest_tests/testsuites/failovers/test_failover_storage.py

@@ -84,11 +84,6 @@ def return_stopped_hosts(shell: Shell, cluster: Cluster) -> None:
 
 @pytest.mark.failover
 class TestFailoverStorage(ClusterTestBase):
-    @pytest.fixture(scope="function", autouse=True)
-    def start_stopped_services(self, cluster_state_controller: ClusterStateController):
-        yield
-        cluster_state_controller.start_stopped_storage_services()
-
     @allure.title("Lose and return storage node's host")
     @pytest.mark.parametrize("hard_reboot", [True, False])
     @pytest.mark.failover_reboot
@@ -674,3 +669,30 @@ class TestStorageDataLoss(ClusterTestBase):
 
         with allure.step("Pass test if no errors found"):
             assert not exception_messages, "\n".join(exception_messages)
+
+    @allure.title(
+        "Test S3 Loss of one node should trigger use of tree and storage service in another node"
+    )
+    def test_s3_one_endpoint_loss(
+        self,
+        bucket,
+        s3_client: S3ClientWrapper,
+        simple_object_size: int,
+        after_run_return_all_stopped_services,
+        cluster_state_controller: ClusterStateController,
+    ):
+        # TODO: need to check that s3 gate is connected to localhost (such metric will be supported in 1.3)
+
+        with allure.step(
+            "Stop one node and wait for rebalance connection of s3 gate to storage service"
+        ):
+            current_node = self.cluster.cluster_nodes[0]
+            cluster_state_controller.stop_storage_service(current_node)
+            # waiting for rebalance connection of s3 gate to storage service
+            sleep(60)
+
+        file_path = generate_file(simple_object_size)
+        file_name = s3_helper.object_key_from_file_path(file_path)
+        with allure.step("Put object into one bucket"):
+            put_object = s3_client.put_object(bucket, file_path)
+            s3_helper.check_objects_in_bucket(s3_client, bucket, expected_objects=[file_name])