diff --git a/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-matching-port.in.yaml b/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-matching-port.in.yaml
index e60a26980185..d562b1c7e1e3 100644
--- a/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-matching-port.in.yaml
+++ b/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-matching-port.in.yaml
@@ -56,9 +56,9 @@ securityPolicies:
       extAuth:
         http:
           backendRefs:
-          - name: http-backend
-            namespace: default
-            port: 80
+            - name: http-backend
+              namespace: default
+              port: 80
           headersToBackend:
             - header1
             - header2
diff --git a/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-port.in.yaml b/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-port.in.yaml
index b9318bb5538d..3f743d180672 100644
--- a/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-port.in.yaml
+++ b/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-port.in.yaml
@@ -56,8 +56,8 @@ securityPolicies:
       extAuth:
         http:
           backendRefs:
-          - name: http-backend
-            namespace: default
+            - name: http-backend
+              namespace: default
           headersToBackend:
             - header1
             - header2
diff --git a/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-reference-grant.in.yaml b/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-reference-grant.in.yaml
index 33d4423f4868..06cb843241b5 100644
--- a/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-reference-grant.in.yaml
+++ b/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-reference-grant.in.yaml
@@ -56,9 +56,9 @@ securityPolicies:
       extAuth:
         http:
           backendRefs:
-          - name: http-backend
-            namespace: envoy-gateway
-            port: 80
+            - name: http-backend
+              namespace: envoy-gateway
+              port: 80
           headersToBackend:
             - header1
             - header2
diff --git a/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-service.in.yaml b/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-service.in.yaml
index 9c9d8e8a840a..e47a1b0f5270 100644
--- a/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-service.in.yaml
+++ b/internal/gatewayapi/testdata/securitypolicy-with-extauth-invalid-no-service.in.yaml
@@ -47,9 +47,9 @@ securityPolicies:
       extAuth:
         http:
           backendRefs:
-          - name: http-backend
-            namespace: default
-            port: 80
+            - name: http-backend
+              namespace: default
+              port: 80
           headersToBackend:
             - header1
             - header2
diff --git a/internal/gatewayapi/testdata/securitypolicy-with-extauth-with-backendtlspolicy.in.yaml b/internal/gatewayapi/testdata/securitypolicy-with-extauth-with-backendtlspolicy.in.yaml
index 75ac0af41976..d2aee51b27e0 100644
--- a/internal/gatewayapi/testdata/securitypolicy-with-extauth-with-backendtlspolicy.in.yaml
+++ b/internal/gatewayapi/testdata/securitypolicy-with-extauth-with-backendtlspolicy.in.yaml
@@ -198,9 +198,9 @@ securityPolicies:
       extAuth:
         http:
           backendRefs:
-          - Name: http-backend
-            Namespace: envoy-gateway
-            Port: 80
+            - Name: http-backend
+              Namespace: envoy-gateway
+              Port: 80
           Path: /auth
           headersToBackend:
             - header1
@@ -222,6 +222,6 @@ securityPolicies:
           - header2
         grpc:
           backendRefs:
-          - name: grpc-backend
-            port: 9000
+            - name: grpc-backend
+              port: 9000
         failOpen: true
diff --git a/internal/gatewayapi/testdata/securitypolicy-with-extauth.in.yaml b/internal/gatewayapi/testdata/securitypolicy-with-extauth.in.yaml
index 0421cb7b45b1..ada3900ed60c 100644
--- a/internal/gatewayapi/testdata/securitypolicy-with-extauth.in.yaml
+++ b/internal/gatewayapi/testdata/securitypolicy-with-extauth.in.yaml
@@ -126,7 +126,7 @@ referenceGrants:
           kind: SecurityPolicy
           namespace: default
       to:
-        - group: ''
+        - group: ""
           kind: Service
 securityPolicies:
   - apiVersion: gateway.envoyproxy.io/v1alpha1
@@ -146,13 +146,14 @@ securityPolicies:
           - header2
         grpc:
           backendRefs:
-          - name: grpc-backend
-            port: 9000
+            - name: grpc-backend
+              port: 9000
   - apiVersion: gateway.envoyproxy.io/v1alpha1
     kind: SecurityPolicy
     metadata:
       namespace: default
-      name: policy-for-gateway-1          # This will only apply to the httproute-2
+      # This will only apply to the httproute-2
+      name: policy-for-gateway-1
     spec:
       targetRef:
         group: gateway.networking.k8s.io
@@ -162,9 +163,9 @@ securityPolicies:
         failOpen: false
         http:
           backendRefs:
-          - Name: http-backend
-            Namespace: envoy-gateway
-            Port: 80
+            - Name: http-backend
+              Namespace: envoy-gateway
+              Port: 80
           Path: /auth
           headersToBackend:
             - header1