diff --git a/java/sdk/pom.xml b/java/sdk/pom.xml
index 05314ba52..27478a978 100644
--- a/java/sdk/pom.xml
+++ b/java/sdk/pom.xml
@@ -201,6 +201,7 @@
                             <workingDirectory>${copilot.sdk.root}/test/harness</workingDirectory>
                             <arguments>
                                 <argument>ci</argument>
+                                <argument>--omit-lockfile-registry-resolved=true</argument>
                                 <argument>--loglevel</argument>
                                 <argument>${npm.loglevel}</argument>
                             </arguments>
@@ -225,6 +226,7 @@
                             <arguments>
                                 <argument>ci</argument>
                                 <argument>--ignore-scripts</argument>
+                                <argument>--omit-lockfile-registry-resolved=true</argument>
                                 <argument>--loglevel</argument>
                                 <argument>${npm.loglevel}</argument>
                             </arguments>
diff --git a/java/sdk/src/test/java/com/github/copilot/CliServerManagerTest.java b/java/sdk/src/test/java/com/github/copilot/CliServerManagerTest.java
index 353858135..68555a35b 100644
--- a/java/sdk/src/test/java/com/github/copilot/CliServerManagerTest.java
+++ b/java/sdk/src/test/java/com/github/copilot/CliServerManagerTest.java
@@ -70,20 +70,13 @@ void connectToServerTcpMode() throws Exception {
         }
     }
 
-    private static Process startBlockingProcess() throws IOException {
-        boolean isWindows = System.getProperty("os.name").toLowerCase().contains("windows");
-        return (isWindows
-                ? new ProcessBuilder(System.getenv("COMSPEC"), "/c", "more")
-                : new ProcessBuilder("/usr/bin/cat")).start();
-    }
-
     @Test
     void connectToServerStdioMode() throws Exception {
         var options = new CopilotClientOptions();
         var manager = new CliServerManager(options);
 
         // Create a dummy process for stdio mode
-        Process process = startBlockingProcess();
+        Process process = new TestProcess();
         try {
             JsonRpcClient client = manager.connectToServer(process, null, null);
             assertNotNull(client);
diff --git a/java/sdk/src/test/java/com/github/copilot/JsonRpcClientTest.java b/java/sdk/src/test/java/com/github/copilot/JsonRpcClientTest.java
index d6c0b5e14..79aaea10d 100644
--- a/java/sdk/src/test/java/com/github/copilot/JsonRpcClientTest.java
+++ b/java/sdk/src/test/java/com/github/copilot/JsonRpcClientTest.java
@@ -133,16 +133,9 @@ void testIsConnectedWithSocketClosed() throws Exception {
         pair.serverSocket.close();
     }
 
-    private static Process startBlockingProcess() throws IOException {
-        boolean isWindows = System.getProperty("os.name").toLowerCase().contains("windows");
-        return (isWindows
-                ? new ProcessBuilder(System.getenv("COMSPEC"), "/c", "more")
-                : new ProcessBuilder("/usr/bin/cat")).start();
-    }
-
     @Test
     void testIsConnectedWithProcess() throws Exception {
-        Process proc = startBlockingProcess();
+        Process proc = new TestProcess();
         try (var client = JsonRpcClient.fromProcess(proc)) {
             assertTrue(client.isConnected());
         }
@@ -150,7 +143,7 @@ void testIsConnectedWithProcess() throws Exception {
 
     @Test
     void testIsConnectedWithProcessDead() throws Exception {
-        Process proc = startBlockingProcess();
+        Process proc = new TestProcess();
         var client = JsonRpcClient.fromProcess(proc);
         proc.destroy();
         proc.waitFor(5, TimeUnit.SECONDS);
@@ -162,7 +155,7 @@ void testIsConnectedWithProcessDead() throws Exception {
 
     @Test
     void testGetProcessReturnsProcess() throws Exception {
-        Process proc = startBlockingProcess();
+        Process proc = new TestProcess();
         try (var client = JsonRpcClient.fromProcess(proc)) {
             assertSame(proc, client.getProcess());
         }
diff --git a/java/sdk/src/test/java/com/github/copilot/TestProcess.java b/java/sdk/src/test/java/com/github/copilot/TestProcess.java
new file mode 100644
index 000000000..f7187ae67
--- /dev/null
+++ b/java/sdk/src/test/java/com/github/copilot/TestProcess.java
@@ -0,0 +1,65 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *--------------------------------------------------------------------------------------------*/
+
+package com.github.copilot;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+final class TestProcess extends Process {
+
+    private final CountDownLatch terminated = new CountDownLatch(1);
+
+    @Override
+    public OutputStream getOutputStream() {
+        return OutputStream.nullOutputStream();
+    }
+
+    @Override
+    public InputStream getInputStream() {
+        return InputStream.nullInputStream();
+    }
+
+    @Override
+    public InputStream getErrorStream() {
+        return InputStream.nullInputStream();
+    }
+
+    @Override
+    public int waitFor() throws InterruptedException {
+        terminated.await();
+        return 0;
+    }
+
+    @Override
+    public boolean waitFor(long timeout, TimeUnit unit) throws InterruptedException {
+        return terminated.await(timeout, unit);
+    }
+
+    @Override
+    public int exitValue() {
+        if (isAlive()) {
+            throw new IllegalThreadStateException("Process has not exited");
+        }
+        return 0;
+    }
+
+    @Override
+    public void destroy() {
+        terminated.countDown();
+    }
+
+    @Override
+    public Process destroyForcibly() {
+        destroy();
+        return this;
+    }
+
+    @Override
+    public boolean isAlive() {
+        return terminated.getCount() > 0;
+    }
+}