Update k8s conformance version.

* Updated k8s conformance image version from 1.5 to 1.7.

Change-Id: I31e1a65a921ba135b24ebc88bca0c42278ee8bb8
diff --git a/jenkins/client/job/deploy/test.yml b/jenkins/client/job/deploy/test.yml
index 0b5d541..0f9b202 100644
--- a/jenkins/client/job/deploy/test.yml
+++ b/jenkins/client/job/deploy/test.yml
@@ -31,7 +31,7 @@
               default: "http://127.0.0.1:8080"
             TEST_K8S_CONFORMANCE_IMAGE:
               type: string
-              default: "docker-dev-virtual.docker.mirantis.net/mirantis/kubernetes/k8s-conformance:v1.5.1-3_1482332392819"
+              default: "docker-dev-virtual.docker.mirantis.net/mirantis/kubernetes/k8s-conformance:v1.7.3-1_1503652362277"
 
             TEST_TEMPEST_IMAGE:
               type: string