Correct the InferencePoolResolvedRefsCondition conformance tests.

[zetxqx]

What type of PR is this?

/kind bug

What this PR does / why we need it:
The PR 0707d2f#diff-4fff24a24347da2990a6a84ae376c39de10be47f0b08f5f5ac480230dc723ee4 accidentally changed the verification a little bit and it can still pass the conformance test. But that's not what we want to test.

Run the test agianst GKE to make sure it still passes

go test -v ./conformance -args -debug -gateway-class gke-l7-regional-external-managed -cleanup-base-resources=false -allow-crds-mismatch=true -run-test InferencePoolResolvedRefsCondition

--- PASS: TestConformance (186.87s)
    --- SKIP: TestConformance/EppUnAvailableFailOpen (0.00s)
    --- SKIP: TestConformance/GatewayFollowingEPPRouting (0.00s)
    --- SKIP: TestConformance/GatewayWeightedAcrossTwoInferencePools (0.00s)
    --- SKIP: TestConformance/HTTPRouteInvalidInferencePoolRef (0.00s)
    --- SKIP: TestConformance/HTTPRouteMultipleGatewaysDifferentPools (0.00s)
    --- SKIP: TestConformance/InferencePoolAccepted (0.00s)
    --- SKIP: TestConformance/InferencePoolHTTPRoutePortValidation (0.00s)
    --- SKIP: TestConformance/InferencePoolInvalidEPPService (0.00s)
    --- SKIP: TestConformance/HTTPRouteMultipleRulesDifferentPools (0.00s)
    --- PASS: TestConformance/InferencePoolResolvedRefsCondition (180.54s)
        --- PASS: TestConformance/InferencePoolResolvedRefsCondition/InferencePool_should_show_Accepted:True_by_parents_and_be_routable_via_multiple_HTTPRoutes (51.25s)
        --- PASS: TestConformance/InferencePoolResolvedRefsCondition/Delete_httproute-for-primary-gw_and_verify_InferencePool_status_and_routing_via_secondary_gw (27.29s)
        --- PASS: TestConformance/InferencePoolResolvedRefsCondition/Delete_httproute-for-secondary-gw_and_verify_InferencePool_has_no_parent_statuses_and_is_not_routable (56.12s)
PASS

Which issue(s) this PR fixes:

Does this PR introduce a user-facing change?:

NONE

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: zetxqx
Once this PR has been reviewed and has the lgtm label, please assign danehans for approval. For more information see the Code Review Process.

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[robscott]

Thanks @zetxqx!

/lgtm
/cc @danehans