serialize OperatorsInfoService test execution (Layr-Labs#92)

crates/services/operatorsinfo/Cargo.toml

@@ -23,6 +23,7 @@ futures-util.workspace = true
 tokio = { workspace = true, features = ["rt-multi-thread", "macros"] }
 thiserror.workspace = true
 tokio-util = "0.7.11"
+
 [dev-dependencies]
 alloy-signer-local.workspace = true
 eigen-testing-utils.workspace = true
@@ -31,3 +32,4 @@ eigen-client-elcontracts.workspace = true
 ark-bn254.workspace = true
 ark-std = {version = "0.4.0", default-features = false}
 ark-ff.workspace = true
+serial_test.workspace = true

crates/services/operatorsinfo/src/operatorsinfo_inmemory.rs

@@ -243,7 +243,6 @@ impl OperatorInfoServiceInMemory {
 
 #[cfg(test)]
 mod tests {
-
     use super::*;
     use alloy_primitives::{address, Bytes, U256};
     use alloy_signer_local::PrivateKeySigner;
@@ -258,6 +257,7 @@ mod tests {
     };
     use eigen_types::operator::Operator;
     use eigen_utils::get_provider;
+    use serial_test::serial;
     use std::str::FromStr;
     use std::time::{Duration, SystemTime, UNIX_EPOCH};
 
@@ -306,6 +306,7 @@ mod tests {
     }
 
     #[tokio::test]
+    #[serial]
     async fn test_start_service_1_operator_register() {
         let anvil_ws_url = "ws://localhost:8545";
         let anvil_http_url = "http://localhost:8545";
@@ -357,6 +358,7 @@ mod tests {
     }
 
     #[tokio::test]
+    #[serial]
     async fn test_start_service_2_operator_register() {
         let anvil_ws_url = "ws://localhost:8545";
         let anvil_http_url = "http://localhost:8545";