diff --git a/.eslintignore b/.eslintignore
index 01a3180fa9..9442ad986c 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,4 +1,3 @@
 node_modules
-__tests__
 packages/*/es
 packages/*/lib
diff --git a/packages/components/color-picker/__tests__/color-picker.spec.ts b/packages/components/color-picker/__tests__/color-picker.spec.ts
index 86e1b4b186..0899f84f1a 100644
--- a/packages/components/color-picker/__tests__/color-picker.spec.ts
+++ b/packages/components/color-picker/__tests__/color-picker.spec.ts
@@ -4,7 +4,7 @@ import ColorPicker from '../src/index.vue'
 
 import type { Nullable } from '@element-plus/utils/types'
 
-const _mount = (template: string, data: () => ({[key:string]: any;})) => {
+const _mount = (template: string, data: () => ({ [key: string]: any; })) => {
   const Component = defineComponent({
     components: {
       ElColorPicker: ColorPicker,
@@ -89,7 +89,7 @@ describe('Color-picker', () => {
     const mockThumbDom = jest.spyOn(thumbDom, 'offsetHeight', 'get').mockImplementation(() => 4)
     await wrapper.find('.el-color-picker__trigger').trigger('click')
     await nextTick()
-    expect((hueSlideWrapper.vm as ComponentPublicInstance<{thumbTop: number;}>).thumbTop > 10).toBeTruthy()
+    expect((hueSlideWrapper.vm as ComponentPublicInstance<{ thumbTop: number; }>).thumbTop > 10).toBeTruthy()
     mockHueSlideHeight.mockRestore()
     mockThumbDom.mockRestore()
     wrapper.unmount()
diff --git a/packages/components/date-picker/__tests__/date-picker.spec.ts b/packages/components/date-picker/__tests__/date-picker.spec.ts
index f1e316f402..e1163aa032 100644
--- a/packages/components/date-picker/__tests__/date-picker.spec.ts
+++ b/packages/components/date-picker/__tests__/date-picker.spec.ts
@@ -743,7 +743,7 @@ describe('DateRangePicker', () => {
     await nextTick();
     (panels[1].querySelector('td.available') as HTMLElement).click()
     await nextTick()
-    expect((wrapper.vm as any).value.toString()).toBe([ '01/05 2021', '01/06 2021' ].toString())
+    expect((wrapper.vm as any).value.toString()).toBe(['01/05 2021', '01/06 2021'].toString())
   })
 })
 
diff --git a/packages/components/form/__tests__/form.spec.ts b/packages/components/form/__tests__/form.spec.ts
index a73cd7005c..379b87a438 100644
--- a/packages/components/form/__tests__/form.spec.ts
+++ b/packages/components/form/__tests__/form.spec.ts
@@ -9,7 +9,7 @@ import FormItem from '../src/form-item.vue'
 
 type Methods = Record<string, () => any>
 function mountForm<D, M extends Methods, C>(
-  config: C & {data?(): D; methods?: M;},
+  config: C & { data?(): D; methods?: M; },
 ) {
   return mount({
     components: {
@@ -350,7 +350,7 @@ describe('Form', () => {
     const form: any = wrapper.findComponent({ ref: 'form' }).vm
     const nameField: any = wrapper.findComponent({ ref: 'name' }).vm
     const addressField: any = wrapper.findComponent({ ref: 'address' }).vm
-    form.validate()
+    await form.validate().catch(() => undefined)
     await nextTick()
     expect(nameField.validateMessage).toBe('Please input name')
     expect(addressField.validateMessage).toBe('Please input address')
diff --git a/packages/components/message/__tests__/message.spec.ts b/packages/components/message/__tests__/message.spec.ts
index c1a0548b11..81c0df0993 100644
--- a/packages/components/message/__tests__/message.spec.ts
+++ b/packages/components/message/__tests__/message.spec.ts
@@ -11,7 +11,7 @@ const AXIOM = 'Rem is the best girl'
 
 jest.useFakeTimers()
 
-type MessageInstance = ComponentPublicInstance<{visible: boolean; typeClass: string; customStyle: CSSProperties;}>
+type MessageInstance = ComponentPublicInstance<{ visible: boolean; typeClass: string; customStyle: CSSProperties; }>
 
 const onClose = jest.fn()
 const _mount = makeMount(Message, {
diff --git a/packages/components/popover/__tests__/directive.spec.ts b/packages/components/popover/__tests__/directive.spec.ts
index f4ff1d2e04..7d1f804e2d 100644
--- a/packages/components/popover/__tests__/directive.spec.ts
+++ b/packages/components/popover/__tests__/directive.spec.ts
@@ -52,7 +52,7 @@ describe('v-popover', () => {
     const refNode = '#reference-node'
     expect(wrapper.find(refNode).exists()).toBe(false);
 
-    (wrapper.vm as ComponentPublicInstance<{visible: boolean;}>).visible = true
+    (wrapper.vm as ComponentPublicInstance<{ visible: boolean; }>).visible = true
     await nextTick()
 
     expect(wrapper.find(refNode).exists()).toBe(true)
diff --git a/packages/components/popover/__tests__/popover.spec.ts b/packages/components/popover/__tests__/popover.spec.ts
index 34499f8915..18eb858aae 100644
--- a/packages/components/popover/__tests__/popover.spec.ts
+++ b/packages/components/popover/__tests__/popover.spec.ts
@@ -86,7 +86,7 @@ describe('Popover.vue', () => {
 
     const Comp = {
       render() {
-        const slot = () => [ h('button', { ref: 'btn' }, 'click 激活') ]
+        const slot = () => [h('button', { ref: 'btn' }, 'click 激活')]
 
         return h(Popover, {
           placement: 'bottom',
diff --git a/packages/components/select/__tests__/select.spec.ts b/packages/components/select/__tests__/select.spec.ts
index 01d21a3665..b33135b723 100644
--- a/packages/components/select/__tests__/select.spec.ts
+++ b/packages/components/select/__tests__/select.spec.ts
@@ -576,7 +576,7 @@ describe('Select', () => {
     options[2].click()
     await nextTick()
     const tagWrappers = wrapper.findAll('.el-select__tags-text')
-    for(let i=0;i<tagWrappers.length;i++) {
+    for(let i = 0;i < tagWrappers.length;i++) {
       const tagWrapperDom = tagWrappers[i].element
       expect(parseInt(tagWrapperDom.style.maxWidth) === inputRect.width - 75).toBe(true)
     }
diff --git a/packages/components/tabs/src/tabs.ts b/packages/components/tabs/src/tabs.ts
index c6f9053f4d..a473dd68e3 100644
--- a/packages/components/tabs/src/tabs.ts
+++ b/packages/components/tabs/src/tabs.ts
@@ -93,13 +93,11 @@ export default defineComponent({
     )
 
     watch(currentName, () => {
-      if (nav$.value) {
-        nextTick(() => {
-          nav$.value.$nextTick(() => {
-            nav$.value.scrollToActiveTab()
-          })
+      nextTick(() => {
+        nav$.value && nav$.value.$nextTick(() => {
+          nav$.value && nav$.value.scrollToActiveTab()
         })
-      }
+      })
       setPaneInstances(true)
     })
 
diff --git a/packages/components/time-picker/__tests__/time-picker.spec.ts b/packages/components/time-picker/__tests__/time-picker.spec.ts
index 5c5e34efe9..f5a947d22e 100644
--- a/packages/components/time-picker/__tests__/time-picker.spec.ts
+++ b/packages/components/time-picker/__tests__/time-picker.spec.ts
@@ -445,14 +445,14 @@ describe('TimePicker(range)', () => {
     const list = document.querySelectorAll('.el-time-spinner__list')
     const leftHoursEl = list[0]
     const leftEndbledHours = getSpinnerTextAsArray(leftHoursEl, ':not(.disabled)')
-    expect(leftEndbledHours).toEqual([ 8, 9, 10, 11, 12 ])
+    expect(leftEndbledHours).toEqual([8, 9, 10, 11, 12])
     const rightHoursEl = list[3]
     const rightEndbledHours = getSpinnerTextAsArray(rightHoursEl, ':not(.disabled)')
-    expect(rightEndbledHours).toEqual([ 11, 12, 13, 14, 15, 16 ]);
+    expect(rightEndbledHours).toEqual([11, 12, 13, 14, 15, 16]);
     (leftHoursEl.querySelectorAll('.el-time-spinner__item')[12] as any).click()
     await nextTick()
     const NextRightEndbledHours = getSpinnerTextAsArray(rightHoursEl, ':not(.disabled)')
-    expect(NextRightEndbledHours).toEqual([ 12, 13, 14, 15, 16 ])
+    expect(NextRightEndbledHours).toEqual([12, 13, 14, 15, 16])
   })
 
   it('arrow key', async () => {
diff --git a/packages/components/upload/__tests__/upload.spec.ts b/packages/components/upload/__tests__/upload.spec.ts
index 2a167378c7..be8e3c53e7 100644
--- a/packages/components/upload/__tests__/upload.spec.ts
+++ b/packages/components/upload/__tests__/upload.spec.ts
@@ -8,12 +8,6 @@ import Upload from '../src/upload.vue'
 const AXIOM = 'Rem is the best girl'
 const action = 'test-action'
 
-interface MockFile {
-  name: string
-  body: string
-  mimeType: string
-}
-
 const mockGetFile = (element: HTMLInputElement, files: File[]) => {
   Object.defineProperty(element, 'files', {
     get() {
diff --git a/packages/components/virtual-list/__tests__/scrollbar.spec.ts b/packages/components/virtual-list/__tests__/scrollbar.spec.ts
index 55f1958472..9c9c5d3d7f 100644
--- a/packages/components/virtual-list/__tests__/scrollbar.spec.ts
+++ b/packages/components/virtual-list/__tests__/scrollbar.spec.ts
@@ -12,19 +12,20 @@ describe('virtual scrollbar', () => {
         Scrollbar,
       },
     })
-    await nextTick
+    await nextTick()
     const scrollbar = wrapper.findComponent(Scrollbar)
     const styles = getComputedStyle(scrollbar.vm.$el)
-    expect(styles).toMatchObject({
+
+    Object.entries({
       display: 'block',
       position: 'absolute',
       width: 'vertical' !== layout ? '100%' : '6px',
-      height: 'vertical' !== layout ? '6px' : '100%',
+      height: 'vertical' !== layout ? '6px' : 'auto',
       [ScrollbarDirKey[layout]]: '2px',
       right: '2px',
       bottom: '2px',
       'border-radius': '4px',
-    })
+    }).forEach(([key, value]) => expect(`${key}: ${styles.getPropertyValue(key)}`).toBe(`${key}: ${value}`))
   }
 
   it('vertical inline style', async () => {