Zebra rejects transactions

[idky137]

When running tests using zebra regtest mode transactions that should be accepted are sometimes rejected. The reason for this is unknown, It could be in zingolib, zaino or zebra behaving different to zcashd.

thread 'wallet_basic::zebrad_send_to_sapling' panicked at integration-tests/tests/wallet_to_validator.rs:117:49:
called `Result::unwrap()` on an `Err` value: CompleteAndBroadcast(Broadcast(Broadcast("Send Error: status: Internal, message: \"JsonRpcConnector error: Error: HTTP Request Error: error sending request for url (http://127.0.0.1:16908/)\", details: [], metadata: MetadataMap { headers: {\"content-type\": \"application/grpc\", \"date\": \"Fri, 10 Jan 2025 14:44:22 GMT\", \"content-length\": \"0\"} }")))