Fix some compilation errors in tests

common/eth2/src/lib.rs

@@ -751,7 +751,7 @@ impl BeaconNodeHttpClient {
     /// Returns `Ok(None)` on a 404 error.
     pub async fn post_beacon_blinded_blocks_ssz<T: EthSpec, Payload: AbstractExecPayload<T>>(
         &self,
-        block: &SignedBlindedBlockContents<T>,
+        block: &SignedBlockContents<T, Payload>,
     ) -> Result<(), Error> {
         let mut path = self.eth_path(V1)?;