update code

Author: liqcui

ci-operator/config/openshift-qe/ocp-qe-perfscale-ci/openshift-qe-ocp-qe-perfscale-ci-main__aws-4.18-nightly-multi-cpou-loaded-upgrade-from-4.16.yaml

@@ -49,15 +49,6 @@ tests:
       PAUSED_MCP_NAME: worker infra
       TIMEOUT: "150"
       ZONES_COUNT: "3"
-    post:
-    - chain: gather-core-dump
-    - chain: ipi-aws-post
-    pre:
-    - chain: ipi-aws-pre
-    - ref: ipi-install-heterogeneous
-    - chain: openshift-qe-upgrade-max-unavailable
-    - chain: openshift-qe-cluster-density-v2
-    - chain: openshift-upgrade-qe-sanity-cpou
     test:
     - as: set-upgrade-releases
       commands: echo "${RELEASE_IMAGE_INTERMEDIATE},${RELEASE_IMAGE_TARGET}" > ${SHARED_DIR}/upgrade-edge
@@ -71,6 +62,11 @@ tests:
         requests:
           cpu: 100m
           memory: 200Mi
+    - ref: ipi-install-heterogeneous
+    - chain: openshift-qe-upgrade-max-unavailable
+    - chain: openshift-qe-cluster-density-v2
+    - chain: openshift-upgrade-qe-sanity-cpou
+    workflow: openshift-qe-installer-aws
   timeout: 8h0m0s
 zz_generated_metadata:
   branch: main