fixed integration test

Signed-off-by: Paul Harris <[email protected]>

data/beaconrestapi/src/integration-test/java/tech/pegasys/teku/beaconrestapi/v2/beacon/PostAttestationsV2ElectraIntegrationTest.java

@@ -33,6 +33,7 @@
 public class PostAttestationsV2ElectraIntegrationTest extends PostAttestationsV2IntegrationTest {
   protected SerializableTypeDefinition<List<SingleAttestation>> attestationsListTypeDef;
 
+  @Override
   @BeforeEach
   void setup() {
     spec = TestSpecFactory.createMinimalElectra();