func cleanMinioInternalMetadataKeys(metadata map[string]string) map[string]string {
	newMeta := make(map[string]string, len(metadata))
	for k, v := range metadata {
		if strings.HasPrefix(k, "X-Amz-Meta-X-Minio-Internal-") {
			newMeta[strings.TrimPrefix(k, "X-Amz-Meta-")] = v
		} else {
			newMeta[k] = v
		}
	}
	return newMeta
}

// pathClean is like path.Clean but does not return "." for

func doCheckPet(t *testing.T, pet Pet, expect Pet, unscoped bool) {
	if pet.ID != 0 {
		var newPet Pet
		if err := db(unscoped).Where("id = ?", pet.ID).First(&newPet).Error; err != nil {
			t.Fatalf("errors happened when query: %v", err)
		} else {
			AssertObjEqual(t, newPet, pet, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID", "Name")
			AssertObjEqual(t, newPet, expect, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID", "Name")
		}
	}

            digest.secureWipeKey();

            // Verify digest fails after wiping
            byte[] newData = new byte[128];
            Arrays.fill(newData, (byte) 0x66);

            assertThrows(IllegalStateException.class, () -> {
                digest.sign(newData, 0, newData.length, request, response);
            }, "Should throw exception after key is wiped");
        }

        @Test