Add More Config Tests

tests/test_config.rs

@@ -1,6 +1,7 @@
 use helius::config::Config;
 use helius::error::{HeliusError, Result};
 use helius::types::Cluster;
+use helius::Helius;
 
 #[test]
 fn test_config_new_with_empty_api_key() {
@@ -18,3 +19,25 @@ fn test_config_new_with_valid_api_key() {
     assert_eq!(config.endpoints.api, "https://api-devnet.helius-rpc.com/");
     assert_eq!(config.endpoints.rpc, "https://devnet.helius-rpc.com/");
 }
+
+#[test]
+fn test_create_basic_client() {
+    let config: Config = Config::new("valid-api-key", Cluster::Devnet).unwrap();
+    let result: Result<Helius> = config.create_client();
+    assert!(result.is_ok());
+
+    let client: Helius = result.unwrap();
+    assert!(client.async_rpc_client.is_none());
+    assert!(client.ws_client.is_none());
+}
+
+#[test]
+fn test_create_async_client() {
+    let config: Config = Config::new("valid-api-key", Cluster::Devnet).unwrap();
+    let result: Result<Helius> = config.create_client_with_async();
+    assert!(result.is_ok());
+
+    let client: Helius = result.unwrap();
+    assert!(client.async_rpc_client.is_some());
+    assert!(client.ws_client.is_none());
+}