test(runtime): trim timer-heavy regression suites

src/process/exec.test.ts

@@ -6,8 +6,8 @@ import { withEnvAsync } from "../test-utils/env.js";
 import { attachChildProcessBridge } from "./child-process-bridge.js";
 import { runCommandWithTimeout, shouldSpawnWithShell } from "./exec.js";
 
-const CHILD_READY_TIMEOUT_MS = 4_000;
-const CHILD_EXIT_TIMEOUT_MS = 4_000;
+const CHILD_READY_TIMEOUT_MS = 2_000;
+const CHILD_EXIT_TIMEOUT_MS = 2_000;
 
 function waitForLine(
   stream: NodeJS.ReadableStream,
@@ -79,10 +79,10 @@ describe("runCommandWithTimeout", () => {
 
   it("kills command when no output timeout elapses", async () => {
     const result = await runCommandWithTimeout(
-      [process.execPath, "-e", "setTimeout(() => {}, 40)"],
+      [process.execPath, "-e", "setTimeout(() => {}, 80)"],
       {
         timeoutMs: 500,
-        noOutputTimeoutMs: 20,
+        noOutputTimeoutMs: 25,
       },
     );
 
@@ -101,24 +101,24 @@ describe("runCommandWithTimeout", () => {
           "let count = 0;",
           'const ticker = setInterval(() => { process.stdout.write(".");',
           "count += 1;",
-          "if (count === 6) {",
+          "if (count === 3) {",
           "clearInterval(ticker);",
           "process.exit(0);",
           "}",
-          "}, 25);",
+          "}, 15);",
         ].join(" "),
       ],
       {
         timeoutMs: 3_000,
-        // Keep a healthy margin above the emit interval while avoiding a 1s+ test delay.
-        noOutputTimeoutMs: 400,
+        // Keep a healthy margin above the emit interval while avoiding long idle waits.
+        noOutputTimeoutMs: 120,
       },
     );
 
     expect(result.code ?? 0).toBe(0);
     expect(result.termination).toBe("exit");
     expect(result.noOutputTimedOut).toBe(false);
-    expect(result.stdout.length).toBeGreaterThanOrEqual(7);
+    expect(result.stdout.length).toBeGreaterThanOrEqual(4);
   });
 
   it("reports global timeout termination when overall timeout elapses", async () => {