test(process): isolate child startup and assert cleanup recovery values

src/process/ArtifactAnalysisResources.test.ts

@@ -274,7 +274,11 @@ it("resolves an artifact cleanup error when its scope owner later closes", async
     ok(await resources.read("fixture", 1)),
   );
 
-  expect(retried.ok).toBe(true);
+  if (!retried.ok) throw retried.error;
+  expect(retried.value).toEqual({
+    bytes: Buffer.alloc(0),
+    sha256: "0".repeat(64),
+  });
   expect(first.error.cleanupIncomplete).toBe(false);
   expect(closes).toBe(2);
   await resources.close();
@@ -350,7 +354,11 @@ it("keeps a runtime root until its descriptor cleanup owner is released", async
   const retried = await resources.run(async () =>
     ok(await resources.read("fixture", 1)),
   );
-  expect(retried.ok).toBe(true);
+  if (!retried.ok) throw retried.error;
+  expect(retried.value).toEqual({
+    bytes: Buffer.alloc(0),
+    sha256: "0".repeat(64),
+  });
   expect(first.error.cleanupIncomplete).toBe(false);
   await resources.release();
   expect(rootCloses).toBe(1);

src/process/ExecFileBoundedOutput.test.ts

@@ -10,7 +10,7 @@ describe("execFileBoundedOutput", () => {
         "-e",
         "process.stdout.write('x'.repeat(70000)); process.stderr.write('failure detail');",
       ],
-      { env: process.env, limit: 64 * 1024 },
+      { env: {}, limit: 64 * 1024 },
     );
     expect(result.exitCode).toBe(0);
     expect(Buffer.byteLength(result.stdout)).toBeLessThan(64 * 1024 + 50);
@@ -26,7 +26,7 @@ describe("execFileBoundedOutput", () => {
         "-e",
         "process.stdout.write('x'.repeat(70000)); process.stderr.write('package conflict'); process.exitCode = 1;",
       ],
-      { env: process.env, limit: 64 * 1024 },
+      { env: {}, limit: 64 * 1024 },
     );
     expect(result.exitCode).toBe(1);
     expect(result.stderr).toBe("package conflict");
@@ -40,7 +40,7 @@ describe("execFileBoundedOutput", () => {
         "-e",
         "process.stderr.write('warning '.repeat(10000)); process.stderr.write('error: final conflict'); process.exitCode = 1;",
       ],
-      { env: process.env, limit: 64 * 1024 },
+      { env: {}, limit: 64 * 1024 },
     );
     expect(result.exitCode).toBe(1);
     expect(result.stderr).toContain("[output omitted]");