diff --git a/crates/testing-utils/src/node_proc.rs b/crates/testing-utils/src/node_proc.rs
index 19aec492b..e5b21324d 100644
--- a/crates/testing-utils/src/node_proc.rs
+++ b/crates/testing-utils/src/node_proc.rs
@@ -79,7 +79,7 @@ where
 pub struct TestNodeProcessBuilder {
     node_path: OsString,
     authority: Option<AccountKeyring>,
-    scan_port_range: bool,
+    port: u16,
     chain_type: String,
     force_authoring: bool,
     bootnode: Option<String>,
@@ -100,7 +100,7 @@ impl TestNodeProcessBuilder {
         Self {
             node_path: node_path.as_ref().into(),
             authority: None,
-            scan_port_range: false,
+            port: 9944,
             chain_type,
             force_authoring,
             bootnode,
@@ -114,11 +114,9 @@ impl TestNodeProcessBuilder {
         self
     }
 
-    /// Enable port scanning to scan for open ports.
-    ///
-    /// Allows spawning multiple node instances for tests to run in parallel.
-    pub fn scan_for_open_ports(&mut self) -> &mut Self {
-        self.scan_port_range = true;
+    /// Set the port for websocket rpc
+    pub fn set_port(&mut self, port: u16) -> &mut Self {
+        self.port = port;
         self
     }
 
@@ -148,17 +146,18 @@ impl TestNodeProcessBuilder {
             cmd.arg(arg);
         }
 
-        let ws_port = if self.scan_port_range {
-            let (p2p_port, _http_port, ws_port) = next_open_port()
-                .ok_or_else(|| "No available ports in the given port range".to_owned())?;
-            cmd.arg(format!("--port={p2p_port}"));
-            cmd.arg(format!("--rpc-port={ws_port}"));
-            tracing::info!("ws port: {ws_port}");
-            ws_port
-        } else {
-            // the default Websockets port
-            9944
-        };
+        cmd.arg(format!("--port={}", self.port));
+        // let ws_port = if self.scan_port_range {
+        //     // let (p2p_port, _http_port, ws_port) = next_open_port()
+        //     //     .ok_or_else(|| "No available ports in the given port range".to_owned())?;
+        //     cmd.arg(format!("--port={p2p_port}"));
+        //     cmd.arg(format!("--rpc-port={ws_port}"));
+        //     tracing::info!("ws port: {ws_port}");
+        //     ws_port
+        // } else {
+        //     // the default Websockets port
+        //     9944
+        // };
 
         let arg = "--rpc-external";
         cmd.arg(arg);
@@ -166,7 +165,7 @@ impl TestNodeProcessBuilder {
         let arg = "--rpc-cors=all";
         cmd.arg(arg);
 
-        let ws_url = format!("ws://127.0.0.1:{ws_port}");
+        let ws_url = format!("ws://127.0.0.1:{}", self.port);
 
         let mut proc = cmd.spawn().map_err(|e| {
             format!("Error spawning substrate node '{}': {e}", self.node_path.to_string_lossy())
diff --git a/crates/testing-utils/src/substrate_context.rs b/crates/testing-utils/src/substrate_context.rs
index 404e18b10..b0c9b8ed5 100644
--- a/crates/testing-utils/src/substrate_context.rs
+++ b/crates/testing-utils/src/substrate_context.rs
@@ -63,6 +63,7 @@ pub async fn test_node_process_with(
     force_authoring: bool,
     bootnode: Option<String>,
     tss_server_endpoint: Option<String>,
+    port: Option<u16>,
 ) -> TestNodeProcess<EntropyConfig> {
     let path = get_path();
     let path = path.to_str().expect("Path should've been checked to be valid earlier.");
@@ -75,7 +76,7 @@ pub async fn test_node_process_with(
         tss_server_endpoint,
     )
     .with_authority(key)
-    .scan_for_open_ports()
+    .set_port(port.unwrap_or(9944))
     .spawn::<EntropyConfig>()
     .await;
     proc.unwrap()
@@ -99,7 +100,8 @@ pub async fn test_node(
 }
 
 pub async fn test_node_process() -> TestNodeProcess<EntropyConfig> {
-    test_node_process_with(AccountKeyring::Alice, "--dev".to_string(), false, None, None).await
+    test_node_process_with(AccountKeyring::Alice, "--dev".to_string(), false, None, None, None)
+        .await
 }
 
 pub async fn test_node_process_stationary() -> TestNodeProcess<EntropyConfig> {
@@ -116,7 +118,6 @@ pub async fn test_node_process_testing_state(
         "/ip4/127.0.0.1/tcp/30333/p2p/12D3KooWM7EoKJfwgzAR1nAVmYRuuFq2f3GpJPLrdfhQaRsKjn38"
             .to_string(),
     );
-    // reduses message from chain to same TSS cleaning up a lot of logging
     let result =
         test_node(AccountKeyring::Alice, "--chain=dev".to_string(), force_authoring, None).await;
     let result_bob = test_node_process_with(
@@ -125,6 +126,7 @@ pub async fn test_node_process_testing_state(
         force_authoring,
         alice_bootnode.clone(),
         Some("http://localhost:3002".to_string()),
+        Some(9945),
     )
     .await;
     let result_charlie = test_node_process_with(
@@ -133,6 +135,7 @@ pub async fn test_node_process_testing_state(
         force_authoring,
         alice_bootnode.clone(),
         Some("http://localhost:3003".to_string()),
+        Some(9946),
     )
     .await;
     let result_dave = test_node_process_with(
@@ -141,6 +144,7 @@ pub async fn test_node_process_testing_state(
         force_authoring,
         alice_bootnode.clone(),
         Some("http://localhost:3004".to_string()),
+        Some(9947),
     )
     .await;