chore: drop unrelated test changes from ACP fix

packages/coding-agent/test/interactive-mode-title-prewarm.test.ts

@@ -87,14 +87,6 @@ describe("InteractiveMode tiny-title prewarm", () => {
 		const prewarm = vi.spyOn(tinyTitleClient, "prewarm").mockImplementation(() => {});
 
 		await mode.init();
-		// The prewarm call is deferred behind a setImmediate queued during
-		// init() (see interactive-mode.ts); init()'s own awaits are promise
-		// microtasks that can resolve without yielding to the immediate
-		// queue, so the prewarm may not have fired yet when init() settles.
-		// Flush one immediate tick before asserting.
-		const immediateFlushed = Promise.withResolvers<void>();
-		setImmediate(immediateFlushed.resolve);
-		await immediateFlushed.promise;
 
 		expect(prewarm).toHaveBeenCalledWith("lfm2-350m");
 	});

packages/coding-agent/test/mcp-manager-notification-listeners.test.ts

@@ -71,14 +71,8 @@ describe("MCPManager notification listeners", () => {
 		expect(typeof unsubscribe).toBe("function");
 
 		try {
-			// Don't assert on `result.connectedServers` here: it's only populated
-			// if the real subprocess handshake lands inside MCPManager's internal
-			// 250 ms startup race (`STARTUP_TIMEOUT_MS`), which is prone to
-			// scheduling jitter under CI load even though the connection still
-			// succeeds. This test's contract is notification delivery, not that
-			// race's timing — awaiting the frames below already proves the
-			// server connected.
-			await manager.connectServers({ alpha: serverConfig() }, {});
+			const result = await manager.connectServers({ alpha: serverConfig() }, {});
+			expect(result.connectedServers).toContain("alpha");
 
 			// Await both the known list_changed and the server-custom frame
 			// independently. Arrival order across the two isn't guaranteed