refactor(infra): dedupe update startup test setup

src/infra/update-startup.test.ts

@@ -107,12 +107,20 @@ describe("update-startup", () => {
   });
 
   function mockPackageUpdateStatus(tag = "latest", version = "2.0.0") {
+    mockPackageInstallStatus();
+    mockNpmChannelTag(tag, version);
+  }
+
+  function mockPackageInstallStatus() {
     vi.mocked(resolveOpenClawPackageRoot).mockResolvedValue("/opt/openclaw");
     vi.mocked(checkUpdateStatus).mockResolvedValue({
       root: "/opt/openclaw",
       installKind: "package",
       packageManager: "npm",
     } satisfies UpdateCheckResult);
+  }
+
+  function mockNpmChannelTag(tag: string, version: string) {
     vi.mocked(resolveNpmChannelTag).mockResolvedValue({
       tag,
       version,
@@ -173,6 +181,20 @@ describe("update-startup", () => {
     });
   }
 
+  async function runStableUpdateCheck(params: {
+    onUpdateAvailableChange?: ReturnType<typeof vi.fn>;
+  }) {
+    await runGatewayUpdateCheck({
+      cfg: { update: { channel: "stable" } },
+      log: { info: vi.fn() },
+      isNixMode: false,
+      allowInTests: true,
+      ...(params.onUpdateAvailableChange
+        ? { onUpdateAvailableChange: params.onUpdateAvailableChange }
+        : {}),
+    });
+  }
+
   it.each([
     {
       name: "stable channel",
@@ -232,12 +254,7 @@ describe("update-startup", () => {
   });
 
   it("emits update change callback when update state clears", async () => {
-    vi.mocked(resolveOpenClawPackageRoot).mockResolvedValue("/opt/openclaw");
+    mockPackageInstallStatus();
-    vi.mocked(checkUpdateStatus).mockResolvedValue({
-      root: "/opt/openclaw",
-      installKind: "package",
-      packageManager: "npm",
-    } satisfies UpdateCheckResult);
     vi.mocked(resolveNpmChannelTag)
       .mockResolvedValueOnce({
         tag: "latest",
@@ -249,21 +266,9 @@ describe("update-startup", () => {
       });
 
     const onUpdateAvailableChange = vi.fn();
-    await runGatewayUpdateCheck({
+    await runStableUpdateCheck({ onUpdateAvailableChange });
-      cfg: { update: { channel: "stable" } },
-      log: { info: vi.fn() },
-      isNixMode: false,
-      allowInTests: true,
-      onUpdateAvailableChange,
-    });
     vi.setSystemTime(new Date("2026-01-18T11:00:00Z"));
-    await runGatewayUpdateCheck({
+    await runStableUpdateCheck({ onUpdateAvailableChange });
-      cfg: { update: { channel: "stable" } },
-      log: { info: vi.fn() },
-      isNixMode: false,
-      allowInTests: true,
-      onUpdateAvailableChange,
-    });
 
     expect(onUpdateAvailableChange).toHaveBeenNthCalledWith(1, {
       currentVersion: "1.0.0",
@@ -362,16 +367,8 @@ describe("update-startup", () => {
   });
 
   it("uses current runtime + entrypoint for default auto-update command execution", async () => {
-    vi.mocked(resolveOpenClawPackageRoot).mockResolvedValue("/opt/openclaw");
+    mockPackageInstallStatus();
-    vi.mocked(checkUpdateStatus).mockResolvedValue({
+    mockNpmChannelTag("beta", "2.0.0-beta.1");
-      root: "/opt/openclaw",
-      installKind: "package",
-      packageManager: "npm",
-    } satisfies UpdateCheckResult);
-    vi.mocked(resolveNpmChannelTag).mockResolvedValue({
-      tag: "beta",
-      version: "2.0.0-beta.1",
-    });
     vi.mocked(runCommandWithTimeout).mockResolvedValue({
       stdout: "{}",
       stderr: "",