diff --git a/test/official-channel-catalog.test.ts b/test/official-channel-catalog.test.ts
index 9857bddb165..659667dddc6 100644
--- a/test/official-channel-catalog.test.ts
+++ b/test/official-channel-catalog.test.ts
@@ -29,7 +29,6 @@ function writeJson(filePath: string, value: unknown): void {
 
 function requireInstall(entry: OfficialChannelCatalogEntry | undefined): OfficialChannelInstall {
   const install = entry?.openclaw?.install;
-  expect(install).toBeDefined();
   if (!install) {
     throw new Error("expected official channel install config");
   }
@@ -37,7 +36,6 @@ function requireInstall(entry: OfficialChannelCatalogEntry | undefined): Officia
 }
 
 function requireNpmInstallSource(source: ReturnType<typeof describePluginInstallSource>) {
-  expect(source.npm).toBeDefined();
   if (!source.npm) {
     throw new Error("expected npm install source");
   }
diff --git a/test/plugin-npm-runtime-build.test.ts b/test/plugin-npm-runtime-build.test.ts
index 5b6e6be5612..e154b0ee2ea 100644
--- a/test/plugin-npm-runtime-build.test.ts
+++ b/test/plugin-npm-runtime-build.test.ts
@@ -16,7 +16,6 @@ function expectDistRelativePaths(paths: string[]) {
 function expectPluginNpmRuntimeBuildPlan(
   plan: ReturnType<typeof resolvePluginNpmRuntimeBuildPlan>,
 ): PluginNpmRuntimeBuildPlan {
-  expect(plan).toBeTruthy();
   if (!plan) {
     throw new Error("expected plugin npm runtime build plan");
   }
diff --git a/test/scripts/preinstall-package-manager-warning.test.ts b/test/scripts/preinstall-package-manager-warning.test.ts
index 4263e61375d..f7bab882dfb 100644
--- a/test/scripts/preinstall-package-manager-warning.test.ts
+++ b/test/scripts/preinstall-package-manager-warning.test.ts
@@ -7,7 +7,6 @@ import {
 
 function requireFirstWarning(warn: ReturnType<typeof vi.fn>): unknown {
   const message = warn.mock.calls[0]?.[0];
-  expect(message).toBeDefined();
   if (message === undefined) {
     throw new Error("expected package manager warning");
   }
diff --git a/test/scripts/test-extension.test.ts b/test/scripts/test-extension.test.ts
index 50274954a80..ba2d4152448 100644
--- a/test/scripts/test-extension.test.ts
+++ b/test/scripts/test-extension.test.ts
@@ -36,8 +36,7 @@ function runScript(args: string[], cwd = process.cwd()) {
 
 function requireFirstMockArg<T>(mock: { mock: { calls: Array<[T, ...unknown[]]> } }): T {
   const arg = mock.mock.calls[0]?.[0];
-  expect(arg).toBeDefined();
-  if (!arg) {
+  if (arg === undefined) {
     throw new Error("expected first mock call argument");
   }
   return arg;
diff --git a/test/vitest-boundary-config.test.ts b/test/vitest-boundary-config.test.ts
index ec36ceeb67b..8b5ed8c3d8e 100644
--- a/test/vitest-boundary-config.test.ts
+++ b/test/vitest-boundary-config.test.ts
@@ -7,7 +7,6 @@ import {
 import { boundaryTestFiles } from "./vitest/vitest.unit-paths.mjs";
 
 function requireTestConfig(config: ReturnType<typeof createBoundaryVitestConfig>) {
-  expect(config.test).toBeDefined();
   if (!config.test) {
     throw new Error("expected boundary vitest test config");
   }
diff --git a/test/vitest-projects-config.test.ts b/test/vitest-projects-config.test.ts
index f78fbe2af7c..bac4905a902 100644
--- a/test/vitest-projects-config.test.ts
+++ b/test/vitest-projects-config.test.ts
@@ -33,7 +33,6 @@ import { createUnitVitestConfig } from "./vitest/vitest.unit.config.ts";
 const patternFiles = createPatternFileHelper("openclaw-vitest-projects-config-");
 
 function requireTestConfig<T extends { test?: unknown }>(config: T): NonNullable<T["test"]> {
-  expect(config.test).toBeDefined();
   if (!config.test) {
     throw new Error("expected vitest test config");
   }
@@ -44,7 +43,6 @@ function requireWebOptimizer(testConfig: {
   deps?: { optimizer?: { web?: { enabled?: boolean } } };
 }) {
   const webOptimizer = testConfig.deps?.optimizer?.web;
-  expect(webOptimizer).toBeDefined();
   if (!webOptimizer) {
     throw new Error("expected vitest web optimizer config");
   }
diff --git a/test/vitest-scoped-config.test.ts b/test/vitest-scoped-config.test.ts
index 55463d55ccf..b74c0ffc72d 100644
--- a/test/vitest-scoped-config.test.ts
+++ b/test/vitest-scoped-config.test.ts
@@ -86,7 +86,6 @@ function matchingExcludePatterns(patterns: string[], file: string): string[] {
 }
 
 function requireTestConfig<T extends { test?: unknown }>(config: T): NonNullable<T["test"]> {
-  expect(config.test).toBeDefined();
   if (!config.test) {
     throw new Error("expected scoped vitest test config");
   }
diff --git a/test/vitest-ui-package-config.test.ts b/test/vitest-ui-package-config.test.ts
index 0922923709f..e4f6934bae3 100644
--- a/test/vitest-ui-package-config.test.ts
+++ b/test/vitest-ui-package-config.test.ts
@@ -3,7 +3,6 @@ import uiConfig from "../ui/vitest.config.ts";
 import uiNodeConfig from "../ui/vitest.node.config.ts";
 
 function requireTestConfig<T extends { test?: unknown }>(config: T): NonNullable<T["test"]> {
-  expect(config.test).toBeDefined();
   if (!config.test) {
     throw new Error("expected ui package vitest test config");
   }
diff --git a/test/vitest-unit-fast-config.test.ts b/test/vitest-unit-fast-config.test.ts
index 134b56ca45a..b6c64b8532e 100644
--- a/test/vitest-unit-fast-config.test.ts
+++ b/test/vitest-unit-fast-config.test.ts
@@ -14,7 +14,6 @@ import {
 import { createUnitFastVitestConfig } from "./vitest/vitest.unit-fast.config.ts";
 
 function requireTestConfig<T extends { test?: unknown }>(config: T): NonNullable<T["test"]> {
-  expect(config.test).toBeDefined();
   if (!config.test) {
     throw new Error("expected unit-fast vitest test config");
   }