diff --git a/tests/boundary/process/verifierFileResources.test.ts b/tests/boundary/process/verifierFileResources.test.ts
index 01d2ab9b9e..fbdb4c480d 100644
--- a/tests/boundary/process/verifierFileResources.test.ts
+++ b/tests/boundary/process/verifierFileResources.test.ts
@@ -281,16 +281,26 @@ it
     } satisfies Parameters<typeof validateVerifierJadxConfiguration>[0];
     const script = String.raw`
     import assert from 'node:assert/strict';
+    import fs from 'node:fs';
+    import { syncBuiltinESMExports } from 'node:module';
     import { validateVerifierJadxConfiguration } from ${JSON.stringify(new URL("../../../scripts/lib/jadx-configuration-inspection.mjs", import.meta.url).href)};
     import { OwnedFileHandle } from ${JSON.stringify(new URL("../../../dist/filesystem/OwnedFileHandle.js", import.meta.url).href)};
     import { ArtifactResourceRetryFailure } from ${JSON.stringify(new URL("../../../dist/artifacts/ArtifactResourceScope.js", import.meta.url).href)};
     const [serializedConfiguration, mode] = process.argv.slice(1);
     const configuration = JSON.parse(serializedConfiguration);
     const handles = new Set();
+    const originalOpen = fs.promises.open;
+    fs.promises.open = async (...args) => {
+      const handle = await originalOpen(...args);
+      if (args[0] === configuration.jar) handles.add(handle);
+      return handle;
+    };
+    syncBuiltinESMExports();
     let attempts = 0, denied = true;
     const originalClose = OwnedFileHandle.prototype.close;
     OwnedFileHandle.prototype.close = async function () {
-      handles.add(this.handle); attempts++;
+      if (!handles.has(this.handle)) return originalClose.call(this);
+      attempts++;
       if ((mode === 'retry-close' && attempts === 1) || (mode === 'retained-close' && denied)) throw new Error('controlled archive close refusal');
       return originalClose.call(this);
     };
@@ -317,6 +327,8 @@ it
     } finally {
       denied = false;
       OwnedFileHandle.prototype.close = originalClose;
+      fs.promises.open = originalOpen;
+      syncBuiltinESMExports();
       for (const handle of handles) await handle.close();
     }
   `;
diff --git a/tests/boundary/providers/hopper/bridgeLauncher.test.ts b/tests/boundary/providers/hopper/bridgeLauncher.test.ts
index 0e9a9b24b6..a4f9d64457 100644
--- a/tests/boundary/providers/hopper/bridgeLauncher.test.ts
+++ b/tests/boundary/providers/hopper/bridgeLauncher.test.ts
@@ -1,5 +1,5 @@
 import { createHash, randomUUID } from "node:crypto";
-import { execFile } from "node:child_process";
+import { ChildProcess, execFile } from "node:child_process";
 import { access, chmod, open, readFile, rm, writeFile } from "node:fs/promises";
 import { join } from "node:path";
 import { promisify } from "node:util";
@@ -72,6 +72,9 @@ for (const deniedStops of [0, 2])
     `retains a timed-out private-display probe through cleanup retry (denied stops=${String(deniedStops)})`,
     async () => {
       const directory = await createTestTempDirectory("rea-probe-owner-retry-");
+      const helperPath = fileURLToPath(
+        new URL("../../../fixtures/x11ProbeHang.py", import.meta.url),
+      );
       const originalStop = ProviderProcessSupervisor.prototype.stop;
       const captured: { current?: ProviderProcessSupervisor } = {};
       let attempts = 0;
@@ -81,6 +84,11 @@ for (const deniedStops of [0, 2])
           this: ProviderProcessSupervisor,
           settings,
         ) {
+          if (
+            !(this.launch.process instanceof ChildProcess) ||
+            !this.launch.process.spawnargs.includes(helperPath)
+          )
+            return originalStop.call(this, settings);
           captured.current = this;
           attempts += 1;
           return attempts <= deniedStops
@@ -105,9 +113,7 @@ for (const deniedStops of [0, 2])
           selectPrivateDisplay: (settings) =>
             selectLinuxPrivateDisplayStrategy({
               ...settings,
-              helperPath: fileURLToPath(
-                new URL("../../../fixtures/x11ProbeHang.py", import.meta.url),
-              ),
+              helperPath,
               timeoutMs: 75,
             }),
         },
@@ -124,7 +130,14 @@ for (const deniedStops of [0, 2])
         expect(projectAnalysisError(original).details).toMatchObject({
           diagnostics: { reason: "probe_timeout" },
         });
-        expect(original.cleanupIncomplete).toBe(deniedStops > 0);
+        const initiallyPending = original.cleanupIncomplete;
+        if (deniedStops > 0) expect(initiallyPending).toBe(true);
+        if (initiallyPending)
+          expect(original.cleanupResources).toEqual(
+            expect.arrayContaining([
+              expect.stringMatching(/^hopper-private-display-probe:/u),
+            ]),
+          );
         const supervisor = captured.current;
         if (supervisor === undefined)
           throw new Error("Expected the real owned probe");
@@ -142,7 +155,9 @@ for (const deniedStops of [0, 2])
           supervisor.launch.process.exitCode !== null ||
             supervisor.launch.process.signalCode !== null,
         ).toBe(true);
-        expect(attempts).toBe(deniedStops + 1);
+        const expectedAttempts =
+          deniedStops === 0 && initiallyPending ? 2 : deniedStops + 1;
+        expect(attempts).toBe(expectedAttempts);
       } finally {
         stop.mockRestore();
         if (captured.current !== undefined)
diff --git a/tests/boundary/providers/kuna/kunaInstallationLifetime.test.ts b/tests/boundary/providers/kuna/kunaInstallationLifetime.test.ts
index aded1b35b9..903b0c9122 100644
--- a/tests/boundary/providers/kuna/kunaInstallationLifetime.test.ts
+++ b/tests/boundary/providers/kuna/kunaInstallationLifetime.test.ts
@@ -17,6 +17,7 @@ const gates = vi.hoisted(() => {
     hashClose: createGate(),
     identityRead: createGate(),
     opens: 0,
+    selectedPath: null as string | null,
     failClose: false,
     holdHashClose: false,
     holdIdentityRead: false,
@@ -33,6 +34,7 @@ vi.mock("../../../../src/filesystem/RegularFile.js", async (importOriginal) => {
     openRegularFile: vi.fn(
       async (...args: Parameters<typeof original.openRegularFile>) => {
         const descriptor = await original.openRegularFile(...args);
+        if (args[0] !== gates.selectedPath) return descriptor;
         const { handle } = descriptor;
         const index = gates.opens++;
         const read = handle.read.bind(handle);
@@ -71,6 +73,7 @@ import { session } from "./kunaSessionFixture.js";
 
 beforeEach(() => {
   gates.opens = 0;
+  gates.selectedPath = null;
   gates.failClose = false;
   gates.holdHashClose = false;
   gates.holdIdentityRead = false;
@@ -91,6 +94,7 @@ it
   async (phase) => {
     const root = await createTestTempDirectory("rea-kuna-inspection-lifetime-");
     const executable = await writeFakeKuna(root);
+    gates.selectedPath = executable;
     const scope = new ArtifactResourceScope();
     const resourceScope: RetainedResourceScope = {
       retain: (owner, resource) =>
@@ -157,7 +161,7 @@ it
     gates.hashClose.release();
     gates.identityRead.release();
     const fixture = await session("rea-kuna-session-finalization-");
-    gates.opens = 0;
+    gates.selectedPath = fixture.kuna;
     gates.hashClose = gates.createGate();
     gates.identityRead = gates.createGate();
     gates.holdHashClose = phase !== "identity-read";