diff --git a/src/process/exec.test.ts b/src/process/exec.test.ts
index 7504977a3..5f670f8f4 100644
--- a/src/process/exec.test.ts
+++ b/src/process/exec.test.ts
@@ -38,10 +38,10 @@ describe("runCommandWithTimeout", () => {
 
   it("kills command when no output timeout elapses", async () => {
     const result = await runCommandWithTimeout(
-      [process.execPath, "-e", "setTimeout(() => {}, 10_000)"],
+      [process.execPath, "-e", "setTimeout(() => {}, 1_000)"],
       {
-        timeoutMs: 5_000,
-        noOutputTimeoutMs: 50,
+        timeoutMs: 1_000,
+        noOutputTimeoutMs: 35,
       },
     );
 
@@ -55,11 +55,11 @@ describe("runCommandWithTimeout", () => {
       [
         process.execPath,
         "-e",
-        'let i=0; const t=setInterval(() => { process.stdout.write("."); i += 1; if (i >= 2) { clearInterval(t); process.exit(0); } }, 10);',
+        'let i=0; const t=setInterval(() => { process.stdout.write("."); i += 1; if (i >= 2) { clearInterval(t); process.exit(0); } }, 5);',
       ],
       {
-        timeoutMs: 5_000,
-        noOutputTimeoutMs: 160,
+        timeoutMs: 1_000,
+        noOutputTimeoutMs: 120,
       },
     );
 
@@ -72,7 +72,7 @@ describe("runCommandWithTimeout", () => {
 
   it("reports global timeout termination when overall timeout elapses", async () => {
     const result = await runCommandWithTimeout(
-      [process.execPath, "-e", "setTimeout(() => {}, 10_000)"],
+      [process.execPath, "-e", "setTimeout(() => {}, 1_000)"],
       {
         timeoutMs: 15,
       },
diff --git a/src/process/supervisor/supervisor.test.ts b/src/process/supervisor/supervisor.test.ts
index 30032c80b..6fb03bb43 100644
--- a/src/process/supervisor/supervisor.test.ts
+++ b/src/process/supervisor/supervisor.test.ts
@@ -9,7 +9,7 @@ describe("process supervisor", () => {
       backendId: "test",
       mode: "child",
       argv: [process.execPath, "-e", 'process.stdout.write("ok")'],
-      timeoutMs: 2_000,
+      timeoutMs: 800,
       stdinMode: "pipe-closed",
     });
     const exit = await run.wait();
@@ -24,9 +24,9 @@ describe("process supervisor", () => {
       sessionId: "s1",
       backendId: "test",
       mode: "child",
-      argv: [process.execPath, "-e", "setTimeout(() => {}, 10_000)"],
-      timeoutMs: 5_000,
-      noOutputTimeoutMs: 30,
+      argv: [process.execPath, "-e", "setTimeout(() => {}, 1_000)"],
+      timeoutMs: 1_000,
+      noOutputTimeoutMs: 20,
       stdinMode: "pipe-closed",
     });
     const exit = await run.wait();
@@ -42,8 +42,8 @@ describe("process supervisor", () => {
       backendId: "test",
       scopeKey: "scope:a",
       mode: "child",
-      argv: [process.execPath, "-e", "setTimeout(() => {}, 10_000)"],
-      timeoutMs: 10_000,
+      argv: [process.execPath, "-e", "setTimeout(() => {}, 1_000)"],
+      timeoutMs: 1_000,
       stdinMode: "pipe-open",
     });
 
@@ -54,7 +54,7 @@ describe("process supervisor", () => {
       replaceExistingScope: true,
       mode: "child",
       argv: [process.execPath, "-e", 'process.stdout.write("new")'],
-      timeoutMs: 2_000,
+      timeoutMs: 800,
       stdinMode: "pipe-closed",
     });
 
@@ -71,7 +71,7 @@ describe("process supervisor", () => {
       sessionId: "s-timeout",
       backendId: "test",
       mode: "child",
-      argv: [process.execPath, "-e", "setTimeout(() => {}, 10_000)"],
+      argv: [process.execPath, "-e", "setTimeout(() => {}, 1_000)"],
       timeoutMs: 1,
       stdinMode: "pipe-closed",
     });
@@ -88,7 +88,7 @@ describe("process supervisor", () => {
       backendId: "test",
       mode: "child",
       argv: [process.execPath, "-e", 'process.stdout.write("streamed")'],
-      timeoutMs: 2_000,
+      timeoutMs: 800,
       stdinMode: "pipe-closed",
       captureOutput: false,
       onStdout: (chunk) => {