diff --git a/ethers-middleware/tests/gas_escalator.rs b/ethers-middleware/tests/gas_escalator.rs
index c2bfbad6..66d7d4ff 100644
--- a/ethers-middleware/tests/gas_escalator.rs
+++ b/ethers-middleware/tests/gas_escalator.rs
@@ -13,6 +13,7 @@ use std::time::Duration;
 #[ignore]
 async fn gas_escalator_live() {
     // connect to ropsten for getting bad block times
+    #[allow(deprecated)]
     let provider = ethers_providers::ROPSTEN.ws().await;
     let provider = provider.interval(Duration::from_millis(2000u64));
     let wallet = "fdb33e2105f08abe41a8ee3b758726a31abdd57b7a443f470f23efce853af169"
@@ -34,7 +35,7 @@ async fn gas_escalator_live() {
     provider.send_transaction(tx.clone().nonce(nonce + 2), None).await.unwrap();
 
     // Wait a bunch of seconds and refresh etherscan to see the transactions get bumped
-    tokio::time::sleep(std::time::Duration::from_secs(100)).await;
+    tokio::time::sleep(Duration::from_secs(100)).await;
 
     // TODO: Figure out how to test this behavior properly in a local network. If the gas price was
     // bumped then the tx hash will be different
diff --git a/ethers-middleware/tests/nonce_manager.rs b/ethers-middleware/tests/nonce_manager.rs
index a1c74915..1be27fec 100644
--- a/ethers-middleware/tests/nonce_manager.rs
+++ b/ethers-middleware/tests/nonce_manager.rs
@@ -8,7 +8,7 @@ use std::time::Duration;
 
 #[tokio::test]
 async fn nonce_manager() {
-    let provider = ethers_providers::GOERLI.provider().interval(Duration::from_millis(2000u64));
+    let provider = ethers_providers::GOERLI.provider().interval(Duration::from_millis(2000));
     let chain_id = provider.get_chainid().await.unwrap().as_u64();
 
     let wallet = std::env::var("GOERLI_PRIVATE_KEY")
@@ -44,12 +44,12 @@ async fn nonce_manager() {
     }
 
     // sleep a bit to ensure there's no flakiness in the test
-    std::thread::sleep(std::time::Duration::new(5, 0));
+    tokio::time::sleep(Duration::from_secs(10)).await;
 
     let mut nonces = Vec::with_capacity(num_tx);
     for tx_hash in tx_hashes {
         nonces.push(provider.get_transaction(tx_hash).await.unwrap().unwrap().nonce.as_u64());
     }
 
-    assert_eq!(nonces, (nonce..nonce + (num_tx as u64)).collect::<Vec<_>>())
+    assert_eq!(nonces, (nonce..nonce + num_tx as u64).collect::<Vec<_>>())
 }
diff --git a/ethers-middleware/tests/signer.rs b/ethers-middleware/tests/signer.rs
index 9c2176ed..eecd1e65 100644
--- a/ethers-middleware/tests/signer.rs
+++ b/ethers-middleware/tests/signer.rs
@@ -294,7 +294,7 @@ impl TestWallets {
     #[allow(unused)]
     pub async fn fund<T: JsonRpcClient, U: Into<u32>>(&self, provider: &Provider<T>, n: U) {
         let addrs = (0..n.into()).map(|i| self.get(i).address()).collect::<Vec<_>>();
-        // hardcoded funder address private key, goerli
+        // hardcoded funder address private key, GOERLI
         let signer = "39aa18eeb5d12c071e5f19d8e9375a872e90cb1f2fa640384ffd8800a2f3e8f1"
             .parse::<LocalWallet>()
             .unwrap()
diff --git a/ethers-providers/src/lib.rs b/ethers-providers/src/lib.rs
index b7825682..31ef49fe 100644
--- a/ethers-providers/src/lib.rs
+++ b/ethers-providers/src/lib.rs
@@ -723,7 +723,8 @@ pub trait CeloMiddleware: Middleware {
     }
 }
 
-pub use test_provider::{GOERLI, MAINNET, ROPSTEN};
+#[allow(deprecated)]
+pub use test_provider::{GOERLI, MAINNET, ROPSTEN, SEPOLIA};
 
 /// Pre-instantiated Infura HTTP clients which rotate through multiple API keys
 /// to prevent rate limits
@@ -743,9 +744,13 @@ pub mod test_provider {
         "5c812e02193c4ba793f8c214317582bd",
     ];
 
-    pub static GOERLI: Lazy<TestProvider> = Lazy::new(|| TestProvider::new(INFURA_KEYS, "goerli"));
     pub static MAINNET: Lazy<TestProvider> =
         Lazy::new(|| TestProvider::new(INFURA_KEYS, "mainnet"));
+    pub static GOERLI: Lazy<TestProvider> = Lazy::new(|| TestProvider::new(INFURA_KEYS, "goerli"));
+    pub static SEPOLIA: Lazy<TestProvider> =
+        Lazy::new(|| TestProvider::new(INFURA_KEYS, "sepolia"));
+
+    #[deprecated = "Ropsten testnet has been deprecated in favor of Goerli or Sepolia."]
     pub static ROPSTEN: Lazy<TestProvider> =
         Lazy::new(|| TestProvider::new(INFURA_KEYS, "ropsten"));
 
@@ -756,16 +761,14 @@ pub mod test_provider {
     }
 
     impl TestProvider {
-        pub fn new(keys: &'static [&'static str], network: &str) -> Self {
-            Self { keys: Mutex::new(keys.iter().cycle()), network: network.to_owned() }
+        pub fn new(keys: &'static [&'static str], network: impl Into<String>) -> Self {
+            Self { keys: keys.iter().cycle().into(), network: network.into() }
         }
 
         pub fn url(&self) -> String {
-            format!(
-                "https://{}.infura.io/v3/{}",
-                self.network,
-                self.keys.lock().unwrap().next().unwrap()
-            )
+            let Self { network, keys } = self;
+            let key = keys.lock().unwrap().next().unwrap();
+            format!("https://{network}.infura.io/v3/{key}")
         }
 
         pub fn provider(&self) -> Provider<Http> {