integration test stability improvements

Author: kfswain

Diff for: Makefile

@@ -124,7 +124,7 @@ test: manifests generate fmt vet envtest image-build ## Run tests.
 	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test $$(go list ./... | grep -v /e2e) -race -coverprofile cover.out
 
 .PHONY: test-integration
-test-integration: manifests generate fmt vet envtest ## Run tests.
+test-integration: ## Run tests.
 	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./test/integration/epp/... -race -coverprofile cover.out
 
 .PHONY: test-e2e

Diff for: pkg/epp/server/controller_manager.go

@@ -28,6 +28,7 @@ import (
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/cache"
 	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/manager"
 	"sigs.k8s.io/gateway-api-inference-extension/api/v1alpha2"
 )
 
@@ -76,3 +77,12 @@ func NewDefaultManager(namespace, name string, restConfig *rest.Config) (ctrl.Ma
 	}
 	return manager, nil
 }
+
+// NewManagerWithOptions creates a new controller manager with injectable options.
+func NewManagerWithOptions(restConfig *rest.Config, opts manager.Options) (ctrl.Manager, error) {
+	manager, err := ctrl.NewManager(restConfig, opts)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create controller manager: %v", err)
+	}
+	return manager, nil
+}