perf(browser): remove duplicate heavy test wrappers

extensions/browser/src/browser/server-context.remote-tab-ops.test.ts

@@ -1,2 +0,0 @@
-import "./server-context.remote-profile-tab-ops.suite.js";
-import "./server-context.tab-selection-state.suite.js";

extensions/browser/src/node-host/invoke-browser.test.ts

@@ -1,4 +1,4 @@
-import { beforeEach, describe, expect, it, vi } from "vitest";
+import { beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
 
 const controlServiceMocks = vi.hoisted(() => ({
   createBrowserControlContext: vi.fn(() => ({ control: true })),
@@ -36,14 +36,18 @@ vi.mock("../core-api.js", async () => ({
   startBrowserControlServiceFromConfig: controlServiceMocks.startBrowserControlServiceFromConfig,
 }));
 
+let resetBrowserProxyCommandStateForTests: typeof import("./invoke-browser.js").resetBrowserProxyCommandStateForTests;
 let runBrowserProxyCommand: typeof import("./invoke-browser.js").runBrowserProxyCommand;
 
+beforeAll(async () => {
+  ({ resetBrowserProxyCommandStateForTests, runBrowserProxyCommand } =
+    await import("./invoke-browser.js"));
+});
+
 describe("runBrowserProxyCommand", () => {
-  beforeEach(async () => {
-    // No-isolate runs can reuse a cached invoke-browser module that was loaded
-    // via node-host entrypoints before this file's mocks were declared.
+  beforeEach(() => {
     vi.useRealTimers();
-    vi.resetModules();
+    resetBrowserProxyCommandStateForTests();
     dispatcherMocks.dispatch.mockReset();
     dispatcherMocks.createBrowserRouteDispatcher.mockReset().mockImplementation(() => ({
       dispatch: dispatcherMocks.dispatch,
@@ -58,7 +62,6 @@ describe("runBrowserProxyCommand", () => {
       enabled: true,
       defaultProfile: "openclaw",
     });
-    ({ runBrowserProxyCommand } = await import("./invoke-browser.js"));
     configMocks.loadConfig.mockReturnValue({
       browser: {},
       nodeHost: { browserProxy: { enabled: true, allowProfiles: [] as string[] } },

extensions/browser/src/node-host/invoke-browser.ts

@@ -51,6 +51,12 @@ function resolveBrowserProxyConfig() {
 
 let browserControlReady: Promise<void> | null = null;
 
+// Keep the production singleton but give tests a cheap reset seam so they do
+// not need to reload the entire module graph between cases.
+export function resetBrowserProxyCommandStateForTests(): void {
+  browserControlReady = null;
+}
+
 async function ensureBrowserControlService(): Promise<void> {
   if (browserControlReady) {
     return browserControlReady;

test/fixtures/test-memory-hotspots.extensions.json

@@ -12,10 +12,6 @@
       "deltaKb": 2474639,
       "sources": ["checks-fast-extensions:2026-04-03"]
     },
-    "extensions/browser/src/browser/server-context.remote-tab-ops.test.ts": {
-      "deltaKb": 1855980,
-      "sources": ["checks-fast-extensions:2026-04-03"]
-    },
     "extensions/acpx/src/runtime.test.ts": {
       "deltaKb": 1824522,
       "sources": ["checks-fast-extensions:2026-04-03"]