Temporarily disable service-type test

With the advanced services disabled this test fails. In order to make
forward progress on the services split this test needs to be disabled
to allow the services split to move forward.

Related-Bug: #1400370

Change-Id: Ide264a371215bb6a56e52faab18296fb0cf0a74b
diff --git a/tempest/api/network/test_service_type_management.py b/tempest/api/network/test_service_type_management.py
index 6695f47..7f8b479 100644
--- a/tempest/api/network/test_service_type_management.py
+++ b/tempest/api/network/test_service_type_management.py
@@ -24,6 +24,7 @@
             msg = "Neutron Service Type Management not enabled."
             raise cls.skipException(msg)
 
+    @test.skip_because(bug="1400370")
     @test.attr(type='smoke')
     def test_service_provider_list(self):
         _, body = self.client.list_service_providers()