Mark Vpnaas4in4 as smoke remove unstable tag

Related-Prod: PRODX-29193
Change-Id: I3c1e75c99baf1e525e612cc1a48f2e3a8a63bfed
diff --git a/neutron_tempest_plugin/vpnaas/scenario/test_vpnaas.py b/neutron_tempest_plugin/vpnaas/scenario/test_vpnaas.py
index 65e2ddf..ca9b6bd 100644
--- a/neutron_tempest_plugin/vpnaas/scenario/test_vpnaas.py
+++ b/neutron_tempest_plugin/vpnaas/scenario/test_vpnaas.py
@@ -244,7 +244,6 @@
             subnet_id, port)
         raise self.fail(msg)
 
-    @test.unstable_test("bug 1882220")
     def _test_vpnaas(self):
         # RIGHT
         right_server = self._create_server(network=self._right_network,
@@ -282,6 +281,7 @@
 class Vpnaas4in4(Vpnaas):
 
     @decorators.idempotent_id('aa932ab2-63aa-49cf-a2a0-8ae71ac2bc24')
+    @decorators.attr(type='smoke')
     def test_vpnaas(self):
         self._test_vpnaas()
 
@@ -295,6 +295,7 @@
     @testtools.skipIf(
         CONF.neutron_vpnaas_plugin_options.skip_4in6_6in4_tests,
         'VPNaaS 4in6 test is skipped.')
+    @test.unstable_test("bug 1882220")
     def test_vpnaas_4in6(self):
         self._test_vpnaas()
 
@@ -308,6 +309,7 @@
     @testtools.skipIf(
         CONF.neutron_vpnaas_plugin_options.skip_4in6_6in4_tests,
         'VPNaaS 6in4 test is skipped.')
+    @test.unstable_test("bug 1882220")
     def test_vpnaas_6in4(self):
         self._test_vpnaas()
 
@@ -319,5 +321,6 @@
     @decorators.idempotent_id('8b503ffc-aeb0-4938-8dba-73c7323e276d')
     @testtools.skipUnless(CONF.network_feature_enabled.ipv6,
                           'IPv6 tests are disabled.')
+    @test.unstable_test("bug 1882220")
     def test_vpnaas_6in6(self):
         self._test_vpnaas()