Adjust API tests for NotImplemented skip

This is a patch to restructure the API tests to use the
new skip_if_not_implemented capability.

Depends-On: https://review.opendev.org/745239

Change-Id: I291488e1c9418e51d6fe7ea142eaca13e3c181a0
diff --git a/zuul.d/projects.yaml b/zuul.d/projects.yaml
index 3f9efb5..d66f616 100644
--- a/zuul.d/projects.yaml
+++ b/zuul.d/projects.yaml
@@ -45,6 +45,8 @@
         - octavia-v2-dsvm-cinder-amphora:
             voting: false
         # Third party provider jobs
+        - neutron-ovn-provider-v2-api:
+            voting: false
         - neutron-ovn-provider-v2-scenario:
             voting: false
     gate: