fix: resolve E2E integration test failure

Comment kustomize code to pass certs for the metric server for tests with packagemanifest Signed-off-by: Camila Macedo <7708031+camilamacedo86@users.noreply.github.com>

Author: camilamacedo86

test/integration/suite_test.go

@@ -29,6 +29,7 @@ import (
 
 "github.com/operator-framework/operator-sdk/internal/testutils"
 "github.com/operator-framework/operator-sdk/internal/util/projutil"
+kbutil "sigs.k8s.io/kubebuilder/v4/pkg/plugin/util"
 )
 
 // TestIntegration tests operator-sdk projects with OLM.
@@ -73,6 +74,20 @@ var _ = BeforeSuite(func() {
 By("installing prometheus-operator")
 Expect(tc.InstallPrometheusOperManager()).To(Succeed())
 
+// Previously, we used kube-rbac-proxy, which generated TLS certificates on the fly —
+// a practice not recommended and also deprecated on it due this reason.
+//
+// Newer versions of the scaffolding support passing real certificates to the metrics server
+// using cert-manager. However, the `packagemanifests` command does not support this capability.
+// Since `packagemanifests` is deprecated and will be removed in the future, we are choosing
+// not to implement support for cert-manager in this context.
+//
+// Therefore, for testing purposes — specifically when using `packagemanifests` — we are
+// disabling the metrics server with cert-manager.
+By("Disabling metrics with certs - no supported by packagemanifests")
+// nolint: errcheck
+kbutil.CommentCode(filepath.Join(tc.Dir, "config", "default", "kustomization.yaml"), targetMetricsCertFragment, "#")
+
 By("building the manager image")
 Expect(tc.Make("docker-build", "IMG="+tc.ImageName)).To(Succeed())
 
@@ -109,6 +124,10 @@ var _ = BeforeSuite(func() {
 Expect(err).NotTo(HaveOccurred())
 })
 
+const targetMetricsCertFragment = `- path: cert_metrics_manager_patch.yaml
+ target:
+ kind: Deployment`
+
 var _ = AfterSuite(func() {
 By("uninstalling OLM")
 tc.UninstallOLM()