diff --git a/packages/runtime-core/__tests__/apiInject.spec.ts b/packages/runtime-core/__tests__/apiInject.spec.ts
index bcb6110cd..a11163a66 100644
--- a/packages/runtime-core/__tests__/apiInject.spec.ts
+++ b/packages/runtime-core/__tests__/apiInject.spec.ts
@@ -1,3 +1,5 @@
 // reference: https://vue-composition-api-rfc.netlify.com/api.html#provide-inject
 
-describe('api: provide/inject', () => {})
+describe('api: provide/inject', () => {
+  test.todo('should work')
+})
diff --git a/packages/runtime-core/__tests__/apiLifecycle.spec.ts b/packages/runtime-core/__tests__/apiLifecycle.spec.ts
index 40b2e58dd..dd0c8fbac 100644
--- a/packages/runtime-core/__tests__/apiLifecycle.spec.ts
+++ b/packages/runtime-core/__tests__/apiLifecycle.spec.ts
@@ -1,3 +1,5 @@
 // reference: https://vue-composition-api-rfc.netlify.com/api.html#lifecycle-hooks
 
-describe('api: lifecycle hooks', () => {})
+describe('api: lifecycle hooks', () => {
+  test.todo('should work')
+})
diff --git a/packages/runtime-core/__tests__/apiSetupContext.spec.ts b/packages/runtime-core/__tests__/apiSetupContext.spec.ts
index a27755a68..46b65e3a9 100644
--- a/packages/runtime-core/__tests__/apiSetupContext.spec.ts
+++ b/packages/runtime-core/__tests__/apiSetupContext.spec.ts
@@ -1,3 +1,5 @@
 // reference: https://vue-composition-api-rfc.netlify.com/api.html#setup
 
-describe('api: setup context', () => {})
+describe('api: setup context', () => {
+  test.todo('should work')
+})
diff --git a/packages/runtime-core/__tests__/apiTemplateRef.spec.ts b/packages/runtime-core/__tests__/apiTemplateRef.spec.ts
index afad07ae7..ed49ae560 100644
--- a/packages/runtime-core/__tests__/apiTemplateRef.spec.ts
+++ b/packages/runtime-core/__tests__/apiTemplateRef.spec.ts
@@ -1,3 +1,5 @@
 // reference: https://vue-composition-api-rfc.netlify.com/api.html#template-refs
 
-describe('api: template refs', () => {})
+describe('api: template refs', () => {
+  test.todo('should work')
+})
diff --git a/packages/runtime-core/__tests__/apiWatch.spec.ts b/packages/runtime-core/__tests__/apiWatch.spec.ts
index 46c3bba12..9270aed5c 100644
--- a/packages/runtime-core/__tests__/apiWatch.spec.ts
+++ b/packages/runtime-core/__tests__/apiWatch.spec.ts
@@ -1,3 +1,5 @@
 // reference: https://vue-composition-api-rfc.netlify.com/api.html#watch
 
-describe('api: watch', () => {})
+describe('api: watch', () => {
+  test.todo('should work')
+})
diff --git a/packages/runtime-core/__tests__/h.spec.ts b/packages/runtime-core/__tests__/h.spec.ts
index e69de29bb..401de464d 100644
--- a/packages/runtime-core/__tests__/h.spec.ts
+++ b/packages/runtime-core/__tests__/h.spec.ts
@@ -0,0 +1,3 @@
+describe('vdom: h', () => {
+  test.todo('should work')
+})
diff --git a/packages/runtime-core/__tests__/vdomComponent.spec.ts b/packages/runtime-core/__tests__/vdomComponent.spec.ts
index 70b786d12..a9abae43e 100644
--- a/packages/runtime-core/__tests__/vdomComponent.spec.ts
+++ b/packages/runtime-core/__tests__/vdomComponent.spec.ts
@@ -1 +1,3 @@
-// TODO
+describe('vdom: component', () => {
+  test.todo('should work')
+})
diff --git a/packages/runtime-core/__tests__/vdomOptimizedMode.spec.ts b/packages/runtime-core/__tests__/vdomOptimizedMode.spec.ts
index 70b786d12..6542f178a 100644
--- a/packages/runtime-core/__tests__/vdomOptimizedMode.spec.ts
+++ b/packages/runtime-core/__tests__/vdomOptimizedMode.spec.ts
@@ -1 +1,3 @@
-// TODO
+describe('vdom: optimized mode', () => {
+  test.todo('should work')
+})
diff --git a/packages/vue-compat/__tests__/compat.spec.ts b/packages/vue-compat/__tests__/compat.spec.ts
index 38b67f766..f07870ac8 100644
--- a/packages/vue-compat/__tests__/compat.spec.ts
+++ b/packages/vue-compat/__tests__/compat.spec.ts
@@ -1,39 +1,7 @@
 ;(global as any).__COMPAT__ = true
 
-import Vue from '../src/index'
+// import Vue from '../src/index'
 
-describe('2.x compat build', async () => {
-  test('should work', async () => {
-    const root = document.createElement('div')
-    document.body.appendChild(root)
-
-    const mounted = jest.fn()
-    const updated = jest.fn()
-
-    const instance = new Vue({
-      data() {
-        return { count: 0 }
-      },
-      methods: {
-        change() {
-          this.count++
-        }
-      },
-      render(h: any) {
-        return h('div', this.count)
-      },
-      mounted,
-      updated
-    }).$mount(root)
-
-    expect(instance.count).toBe(0)
-    expect(root.textContent).toBe('0')
-    expect(mounted).toHaveBeenCalled()
-
-    instance.change()
-    expect(instance.count).toBe(1)
-    await Vue.nextTick()
-    expect(root.textContent).toBe('1')
-    expect(updated).toHaveBeenCalled()
-  })
+describe('2.x compat build', () => {
+  test.todo('should work')
 })