diff --git a/tests/checks/httproute_in_app_namespace/httproute_in_app_namespace_test.go b/tests/checks/httproute_in_app_namespace/httproute_in_app_namespace_test.go
new file mode 100644
index 00000000..6fa0c8be
--- /dev/null
+++ b/tests/checks/httproute_in_app_namespace/httproute_in_app_namespace_test.go
@@ -0,0 +1,236 @@
+//go:build e2e
+// +build e2e
+
+package ingress_in_app_namespace_test
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"k8s.io/client-go/kubernetes"
+
+	. "github.com/kedacore/http-add-on/tests/helper"
+)
+
+const (
+	testName = "ingress-in-app-namespace-test"
+)
+
+var (
+	testNamespace        = fmt.Sprintf("%s-ns", testName)
+	deploymentName       = fmt.Sprintf("%s-deployment", testName)
+	serviceName          = fmt.Sprintf("%s-service", testName)
+	httprouteName        = fmt.Sprintf("%s-httproute", testName)
+	httpScaledObjectName = fmt.Sprintf("%s-http-so", testName)
+	referenceGrantName   = fmt.Sprintf("%s-rg", testName)
+	gatewayHost          = "http://envoy-gateway.envoy-gateway-system.svc.cluster.local"
+	host                 = testName
+	minReplicaCount      = 0
+	maxReplicaCount      = 1
+)
+
+type templateData struct {
+	TestNamespace        string
+	DeploymentName       string
+	ServiceName          string
+	HTTPRouteName        string
+	ReferenceGrantName   string
+	KEDANamespace        string
+	GatewayHost          string
+	HTTPScaledObjectName string
+	Host                 string
+	MinReplicas          int
+	MaxReplicas          int
+}
+
+const (
+	httprouteTemplate = `
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: {{.HTTPRouteName}}
+  namespace: {{.TestNamespace}}
+spec:
+  parentRefs:
+    - name: eg
+      namespace: envoy-gateway-system
+  hostnames:
+    - {{.Host}}
+  rules:
+    - backendRefs:
+        - kind: Service
+          name: {{ .ServiceName }}
+          namespace: keda
+          port: 8080
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
+`
+
+	referenceGrantTemplate = `
+apiVersion: gateway.networking.k8s.io/v1
+kind: ReferenceGrant
+metadata:
+  name: {{.ReferenceGrantName}}
+  namespace: {{.TestNamespace}}
+spec:
+  from:
+  - group: gateway.networking.k8s.io
+    kind: HTTPRoute
+    namespace: {{.TestNamespace}}
+  to:
+  - group: ""
+    kind: Service
+    name: keda-http-add-on-interceptor-proxy
+`
+	serviceTemplate = `
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{.ServiceName}}
+  namespace: {{.TestNamespace}}
+  labels:
+    app: {{.DeploymentName}}
+spec:
+  ports:
+    - port: 8080
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app: {{.DeploymentName}}
+`
+
+	deploymentTemplate = `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{.DeploymentName}}
+  namespace: {{.TestNamespace}}
+  labels:
+    app: {{.DeploymentName}}
+spec:
+  replicas: 0
+  selector:
+    matchLabels:
+      app: {{.DeploymentName}}
+  template:
+    metadata:
+      labels:
+        app: {{.DeploymentName}}
+    spec:
+      containers:
+        - name: {{.DeploymentName}}
+          image: registry.k8s.io/e2e-test-images/agnhost:2.45
+          args:
+          - netexec
+          ports:
+            - name: http
+              containerPort: 8080
+              protocol: TCP
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+`
+
+	loadJobTemplate = `
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: generate-request
+  namespace: {{.TestNamespace}}
+spec:
+  template:
+    spec:
+      containers:
+      - name: curl-client
+        image: curlimages/curl
+        imagePullPolicy: Always
+        command: ["curl", "-H", "Host: {{.Host}}", "{{.GatewayHost}}"]
+      restartPolicy: Never
+  activeDeadlineSeconds: 600
+  backoffLimit: 5
+`
+
+	httpScaledObjectTemplate = `
+kind: HTTPScaledObject
+apiVersion: http.keda.sh/v1alpha1
+metadata:
+  name: {{.HTTPScaledObjectName}}
+  namespace: {{.TestNamespace}}
+spec:
+  hosts:
+  - {{.Host}}
+  targetPendingRequests: 100
+  scaledownPeriod: 10
+  scaleTargetRef:
+    deployment: {{.DeploymentName}}
+    service: {{.ServiceName}}
+    port: 8080
+  replicas:
+    min: {{ .MinReplicas }}
+    max: {{ .MaxReplicas }}
+`
+)
+
+func TestCheck(t *testing.T) {
+	// setup
+	t.Log("--- setting up ---")
+	// Create kubernetes resources
+	kc := GetKubernetesClient(t)
+	data, templates := getTemplateData()
+	CreateKubernetesResources(t, kc, testNamespace, data, templates)
+
+	assert.True(t, WaitForDeploymentReplicaReadyCount(t, kc, deploymentName, testNamespace, minReplicaCount, 6, 10),
+		"replica count should be %d after 1 minutes", minReplicaCount)
+	assert.True(t, WaitForIngressReady(t, kc, httprouteName, testNamespace, 12, 10),
+		"ingress should be ready after 2 minutes")
+
+	testScaleOut(t, kc, data)
+	testScaleIn(t, kc, data)
+
+	// cleanup
+	DeleteKubernetesResources(t, testNamespace, data, templates)
+}
+
+func testScaleOut(t *testing.T, kc *kubernetes.Clientset, data templateData) {
+	t.Log("--- testing scale out ---")
+
+	KubectlApplyWithTemplate(t, data, "loadJobTemplate", loadJobTemplate)
+
+	assert.True(t, WaitForDeploymentReplicaReadyCount(t, kc, deploymentName, testNamespace, maxReplicaCount, 6, 10),
+		"replica count should be %d after 1 minutes", maxReplicaCount)
+}
+
+func testScaleIn(t *testing.T, kc *kubernetes.Clientset, data templateData) {
+	t.Log("--- testing scale out ---")
+
+	KubectlDeleteWithTemplate(t, data, "loadJobTemplate", loadJobTemplate)
+	assert.True(t, WaitForDeploymentReplicaReadyCount(t, kc, deploymentName, testNamespace, minReplicaCount, 12, 10),
+		"replica count should be %d after 2 minutes", minReplicaCount)
+}
+
+func getTemplateData() (templateData, []Template) {
+	return templateData{
+			TestNamespace:        testNamespace,
+			DeploymentName:       deploymentName,
+			ServiceName:          serviceName,
+			HTTPRouteName:        httprouteName,
+			ReferenceGrantName:   referenceGrantName,
+			KEDANamespace:        KEDANamespace,
+			HTTPScaledObjectName: httpScaledObjectName,
+			GatewayHost:          gatewayHost,
+			Host:                 host,
+			MinReplicas:          minReplicaCount,
+			MaxReplicas:          maxReplicaCount,
+		}, []Template{
+			{Name: "deploymentTemplate", Config: deploymentTemplate},
+			{Name: "serviceTemplate", Config: serviceTemplate},
+			{Name: "httprouteTemplate", Config: httprouteTemplate},
+			{Name: "httpScaledObjectTemplate", Config: httpScaledObjectTemplate},
+			{Name: "referenceGrantTemplate", Config: referenceGrantTemplate},
+		}
+}
diff --git a/tests/utils/setup_test.go b/tests/utils/setup_test.go
index f7f24fca..5c47ec1b 100644
--- a/tests/utils/setup_test.go
+++ b/tests/utils/setup_test.go
@@ -69,6 +69,32 @@ spec:
           name: prometheus
           protocol: TCP
 `
+
+	gatewayClass = `
+apiVersion: gateway.networking.k8s.io/v1
+kind: GatewayClass
+metadata:
+  name: eg
+spec:
+  controllerName: gateway.envoyproxy.io/gatewayclass-controller
+`
+
+	gateway = `
+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  name: eg
+  namespace: envoy-gateway-system
+spec:
+  gatewayClassName: eg
+  listeners:
+    - name: http
+      protocol: HTTP
+      port: 80
+      allowedRoutes:
+        namespaces:
+          from: All
+`
 )
 
 func TestVerifyCommands(t *testing.T) {
@@ -149,6 +175,20 @@ func TestSetupIngress(t *testing.T) {
 	require.NoErrorf(t, err, "cannot install ingress - %s", err)
 }
 
+func TestSetupEnvoyGateway(t *testing.T) {
+	KubeClient = GetKubernetesClient(t)
+	_, err := ExecuteCommand("helm version")
+	require.NoErrorf(t, err, "helm is not installed - %s", err)
+
+	_, err = ExecuteCommand("helm install eg oci://docker.io/envoyproxy/gateway-helm --version v1.0.1 -n envoy-gateway-system --create-namespace")
+	require.NoErrorf(t, err, "cannot install envoy gateway - %s", err)
+
+	assert.True(t, WaitForDeploymentReplicaReadyCount(t, KubeClient, "envoy-gateway", "envoy-gateway-system", 1, 30, 6))
+
+	KubectlApplyWithTemplate(t, nil, "gatewayClass", gatewayClass)
+	KubectlApplyWithTemplate(t, nil, "gateway", gateway)
+}
+
 func TestSetupKEDA(t *testing.T) {
 	_, err := ExecuteCommand("helm version")
 	require.NoErrorf(t, err, "helm is not installed - %s", err)