test: don't hardcode an endpoint (#7095)

crates/evm/core/src/fork/backend.rs

@@ -684,15 +684,18 @@ mod tests {
  use foundry_common::provider::alloy::get_http_provider;
  use foundry_config::{Config, NamedChain};
  use std::{collections::BTreeSet, path::PathBuf, sync::Arc};
- const ENDPOINT: &str = "https://mainnet.infura.io/v3/40bee2d557ed4b52908c3e62345a3d8b";
+
+ const ENDPOINT: Option<&str> = option_env!("ETH_RPC_URL");
 
  #[tokio::test(flavor = "multi_thread")]
  async fn shared_backend() {
- let provider = get_http_provider(ENDPOINT);
+ let Some(endpoint) = ENDPOINT else { return };
+
+ let provider = get_http_provider(endpoint);
  let meta = BlockchainDbMeta {
  cfg_env: Default::default(),
  block_env: Default::default(),
- hosts: BTreeSet::from([ENDPOINT.to_string()]),
+ hosts: BTreeSet::from([endpoint.to_string()]),
  };
 
  let db = BlockchainDb::new(meta, None);
@@ -738,19 +741,21 @@ mod tests {
 
  #[tokio::test(flavor = "multi_thread")]
  async fn can_read_write_cache() {
- let provider = get_http_provider(ENDPOINT);
+ let Some(endpoint) = ENDPOINT else { return };
+
+ let provider = get_http_provider(endpoint);
 
  let block_num = provider.get_block_number().await.unwrap();
 
  let config = Config::figment();
  let mut evm_opts = config.extract::<EvmOpts>().unwrap();
  evm_opts.fork_block_number = Some(block_num);
 
- let (env, _block) = evm_opts.fork_evm_env(ENDPOINT).await.unwrap();
+ let (env, _block) = evm_opts.fork_evm_env(endpoint).await.unwrap();
 
  let fork = CreateFork {
  enable_caching: true,
- url: ENDPOINT.to_string(),
+ url: endpoint.to_string(),
  env: env.clone(),
  evm_opts,
  };