diff --git a/github/ci/prow-deploy/files/jobs/kubevirt/kubevirtci/kubevirtci-presubmits.yaml b/github/ci/prow-deploy/files/jobs/kubevirt/kubevirtci/kubevirtci-presubmits.yaml
index 26b2295c13..ff43778e04 100644
--- a/github/ci/prow-deploy/files/jobs/kubevirt/kubevirtci/kubevirtci-presubmits.yaml
+++ b/github/ci/prow-deploy/files/jobs/kubevirt/kubevirtci/kubevirtci-presubmits.yaml
@@ -7,7 +7,7 @@ presubmits:
     optional: false
     decorate: true
     decoration_config:
-      timeout: 1h
+      timeout: 4h
     max_concurrency: 1
     labels:
       preset-dind-enabled: "true"
@@ -45,13 +45,26 @@ presubmits:
           value: "kind-1.19-sriov"
         - name: "KUBEVIRT_NUM_NODES"
           value: "3"
+        - name: "RUN_KUBEVIRT_CONFORMANCE"
+          value: "true"
+        - name: "SONOBUOY_EXTRA_ARGS"
+          value: "--plugin-env kubevirt-conformance.E2E_FOCUS=SRIOV"
         command:
         - "/usr/local/bin/runner.sh"
         - "/bin/bash"
         - "-c"
         - >
+            pr="644";
+            branch644="pr$pr";
+            git fetch "https://github.com/kubevirt/kubevirtci" "pull/$pr/head":"$branch644";
+            git checkout "$branch644";
+            pr="645";
+            branch645="pr$pr";
+            git fetch "https://github.com/kubevirt/kubevirtci" "pull/$pr/head":"$branch645";
+            git rebase "$branch645";
             trap "echo teardown && make cluster-down" EXIT ERR SIGINT SIGTERM &&
-            make cluster-up
+            make cluster-up &&
+            ./cluster-up/cluster/kind/check-cluster-up.sh
         # docker-in-docker needs privileged mode
         securityContext:
           privileged: true