AppWrapper e2e: Remove creationTimestamp from marshalled template

Author: sutaakar

test/e2e/mnist_pytorch_appwrapper_test.go

@@ -17,6 +17,8 @@ limitations under the License.
 package e2e
 
 import (
+	"encoding/json"
+	"strings"
 	"testing"
 
 	. "github.com/onsi/gomega"
@@ -145,6 +147,10 @@ func runMnistPyTorchAppWrapper(t *testing.T, accelerator string, numberOfGpus in
 		},
 	}
 
+	raw, _ := json.Marshal(job)
+	// Workaround to remove creationTimestamp which is brought by json marshaller, this field breaks Kueue reconciliation
+	patchedRaw := strings.ReplaceAll(string(raw), `"metadata":{"creationTimestamp":null},`, "")
+
 	// Create an AppWrapper resource
 	aw := &mcadv1beta2.AppWrapper{
 		TypeMeta: metav1.TypeMeta{
@@ -159,7 +165,7 @@ func runMnistPyTorchAppWrapper(t *testing.T, accelerator string, numberOfGpus in
 		Spec: mcadv1beta2.AppWrapperSpec{
 			Components: []mcadv1beta2.AppWrapperComponent{
 				{
-					Template: Raw(test, job),
+					Template: runtime.RawExtension{Raw: []byte(patchedRaw)},
 				},
 			},
 		},