diff --git a/packages/compiler-sfc/test/__snapshots__/compileScript.spec.ts.snap b/packages/compiler-sfc/test/__snapshots__/compileScript.spec.ts.snap
index d9a43366c..601abd2ee 100644
--- a/packages/compiler-sfc/test/__snapshots__/compileScript.spec.ts.snap
+++ b/packages/compiler-sfc/test/__snapshots__/compileScript.spec.ts.snap
@@ -93,7 +93,7 @@ exports[`SFC compile <script setup> > <script> and <script setup> co-usage > scr
 "import { defineComponent as _defineComponent } from 'vue'
 
       const __default__ = {
-        name: \\"test\\"
+        name: "test"
       }
       
 import { x } from './x'
@@ -553,7 +553,7 @@ exports[`SFC compile <script setup> > with TypeScript > defineEmits w/ type (exp
 export interface Emits { (e: 'foo' | 'bar'): void }
       
 export default /*#__PURE__*/_defineComponent({
-  emits: [\\"foo\\", \\"bar\\"],
+  emits: ["foo", "bar"],
   setup(__props, { emit }: { emit: ({ (e: 'foo' | 'bar'): void }), expose: any, slots: any, attrs: any }) {
 
       
@@ -569,7 +569,7 @@ exports[`SFC compile <script setup> > with TypeScript > defineEmits w/ type (exp
 export type Emits = { (e: 'foo' | 'bar'): void }
       
 export default /*#__PURE__*/_defineComponent({
-  emits: [\\"foo\\", \\"bar\\"],
+  emits: ["foo", "bar"],
   setup(__props, { emit }: { emit: ({ (e: 'foo' | 'bar'): void }), expose: any, slots: any, attrs: any }) {
 
       
@@ -601,7 +601,7 @@ exports[`SFC compile <script setup> > with TypeScript > defineEmits w/ type (int
 interface Emits { (e: 'foo' | 'bar'): void }
       
 export default /*#__PURE__*/_defineComponent({
-  emits: [\\"foo\\", \\"bar\\"],
+  emits: ["foo", "bar"],
   setup(__props, { emit }: { emit: ({ (e: 'foo' | 'bar'): void }), expose: any, slots: any, attrs: any }) {
 
       
@@ -617,7 +617,7 @@ exports[`SFC compile <script setup> > with TypeScript > defineEmits w/ type (ref
 export type Emits = (e: 'foo' | 'bar') => void
       
 export default /*#__PURE__*/_defineComponent({
-  emits: [\\"foo\\", \\"bar\\"],
+  emits: ["foo", "bar"],
   setup(__props, { emit }: { emit: ((e: 'foo' | 'bar') => void), expose: any, slots: any, attrs: any }) {
 
       
@@ -633,7 +633,7 @@ exports[`SFC compile <script setup> > with TypeScript > defineEmits w/ type (ref
 type Emits = (e: 'foo' | 'bar') => void
       
 export default /*#__PURE__*/_defineComponent({
-  emits: [\\"foo\\", \\"bar\\"],
+  emits: ["foo", "bar"],
   setup(__props, { emit }: { emit: ((e: 'foo' | 'bar') => void), expose: any, slots: any, attrs: any }) {
 
       
@@ -649,7 +649,7 @@ exports[`SFC compile <script setup> > with TypeScript > defineEmits w/ type (typ
 type Emits = { (e: 'foo' | 'bar'): void }
       
 export default /*#__PURE__*/_defineComponent({
-  emits: [\\"foo\\", \\"bar\\"],
+  emits: ["foo", "bar"],
   setup(__props, { emit }: { emit: ({ (e: 'foo' | 'bar'): void }), expose: any, slots: any, attrs: any }) {
 
       
@@ -664,7 +664,7 @@ exports[`SFC compile <script setup> > with TypeScript > defineEmits w/ type (typ
 "import { defineComponent as _defineComponent } from 'vue'
 
 export default /*#__PURE__*/_defineComponent({
-  emits: [\\"foo\\", \\"bar\\", \\"baz\\"],
+  emits: ["foo", "bar", "baz"],
   setup(__props, { emit }: { emit: ({(e: 'foo' | 'bar'): void; (e: 'baz', id: number): void;}), expose: any, slots: any, attrs: any }) {
 
       
@@ -679,7 +679,7 @@ exports[`SFC compile <script setup> > with TypeScript > defineEmits w/ type 1`]
 "import { defineComponent as _defineComponent } from 'vue'
 
 export default /*#__PURE__*/_defineComponent({
-  emits: [\\"foo\\", \\"bar\\"],
+  emits: ["foo", "bar"],
   setup(__props, { emit }: { emit: ((e: 'foo' | 'bar') => void), expose: any, slots: any, attrs: any }) {
 
       
@@ -894,9 +894,9 @@ exports[`SFC compile <script setup> > with TypeScript > runtime Enum in normal s
 "import { defineComponent as _defineComponent } from 'vue'
 enum Foo { A = 123 }
         
-          export enum D { D = \\"D\\" }
-          const enum C { C = \\"C\\" }
-          enum B { B = \\"B\\" }
+          export enum D { D = "D" }
+          const enum C { C = "C" }
+          enum B { B = "B" }
         
 export default /*#__PURE__*/_defineComponent({
   setup(__props) {
diff --git a/packages/compiler-sfc/test/__snapshots__/cssVars.spec.ts.snap b/packages/compiler-sfc/test/__snapshots__/cssVars.spec.ts.snap
index 5151be9ae..a9071ac1f 100644
--- a/packages/compiler-sfc/test/__snapshots__/cssVars.spec.ts.snap
+++ b/packages/compiler-sfc/test/__snapshots__/cssVars.spec.ts.snap
@@ -5,7 +5,7 @@ exports[`CSS vars injection > codegen > <script> w/ default export 1`] = `
 import { useCssVars as _useCssVars } from 'vue'
 const __injectCSSVars__ = () => {
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-color\\": (_vm.color)
+  "xxxxxxxx-color": (_vm.color)
 }))}
 const __setup__ = __default__.setup
 __default__.setup = __setup__
@@ -23,7 +23,7 @@ exports[`CSS vars injection > codegen > <script> w/ default export in strings/co
 import { useCssVars as _useCssVars } from 'vue'
 const __injectCSSVars__ = () => {
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-color\\": (_vm.color)
+  "xxxxxxxx-color": (_vm.color)
 }))}
 const __setup__ = __default__.setup
 __default__.setup = __setup__
@@ -39,7 +39,7 @@ const __default__ = {}
 import { useCssVars as _useCssVars } from 'vue'
 const __injectCSSVars__ = () => {
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-color\\": (_vm.color)
+  "xxxxxxxx-color": (_vm.color)
 }))}
 const __setup__ = __default__.setup
 __default__.setup = __setup__
@@ -56,7 +56,7 @@ export default {
   setup(__props) {
 
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-width\\": (_setup.width)
+  "xxxxxxxx-width": (_setup.width)
 }))
 const color = 'red';const width = 100
 return { color, width }
@@ -72,10 +72,10 @@ export default {
   setup(__props) {
 
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-foo\\": (_setup.foo),
-  \\"xxxxxxxx-foo____px_\\": (_setup.foo + 'px'),
-  \\"xxxxxxxx-_a___b____2____px_\\": ((_setup.a + _setup.b) / 2 + 'px'),
-  \\"xxxxxxxx-__a___b______2___a_\\": (((_setup.a + _setup.b)) / (2 * _setup.a))
+  "xxxxxxxx-foo": (_setup.foo),
+  "xxxxxxxx-foo____px_": (_setup.foo + 'px'),
+  "xxxxxxxx-_a___b____2____px_": ((_setup.a + _setup.b) / 2 + 'px'),
+  "xxxxxxxx-__a___b______2___a_": (((_setup.a + _setup.b)) / (2 * _setup.a))
 }))
 
         let a = 100
@@ -95,7 +95,7 @@ export default {
   setup(__props) {
 
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-color\\": (_setup.color)
+  "xxxxxxxx-color": (_setup.color)
 }))
 const color = 'red'
 return { color }
@@ -111,7 +111,7 @@ export default {
   setup(__props) {
 
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-color\\": (_setup.color)
+  "xxxxxxxx-color": (_setup.color)
 }))
 
         const color = 'red'
@@ -128,8 +128,8 @@ const __default__ = {}
 import { useCssVars as _useCssVars } from 'vue'
 const __injectCSSVars__ = () => {
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-color\\": (_vm.color),
-  \\"xxxxxxxx-font_size\\": (_vm.font.size)
+  "xxxxxxxx-color": (_vm.color),
+  "xxxxxxxx-font_size": (_vm.font.size)
 }))}
 const __setup__ = __default__.setup
 __default__.setup = __setup__
@@ -150,9 +150,9 @@ export default {
   setup(__props) {
 
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-color\\": (_setup.color),
-  \\"xxxxxxxx-size\\": (_setup.size),
-  \\"xxxxxxxx-foo\\": (_vm.foo)
+  "xxxxxxxx-color": (_setup.color),
+  "xxxxxxxx-size": (_setup.size),
+  "xxxxxxxx-foo": (_vm.foo)
 }))
 
         const color = 'red'
@@ -178,7 +178,7 @@ exports[`CSS vars injection > w/ normal <script> binding analysis 1`] = `
 import { useCssVars as _useCssVars } from 'vue'
 const __injectCSSVars__ = () => {
 _useCssVars((_vm, _setup) => ({
-  \\"xxxxxxxx-size\\": (_vm.size)
+  "xxxxxxxx-size": (_vm.size)
 }))}
 const __setup__ = __default__.setup
 __default__.setup = __setup__
diff --git a/packages/compiler-sfc/test/prefixIdentifiers.spec.ts b/packages/compiler-sfc/test/prefixIdentifiers.spec.ts
index 6d679d679..2eb05c8c0 100644
--- a/packages/compiler-sfc/test/prefixIdentifiers.spec.ts
+++ b/packages/compiler-sfc/test/prefixIdentifiers.spec.ts
@@ -31,21 +31,21 @@ it('should work', () => {
       var _vm = this,
         _c = _vm._self._c
       return _c(
-        \\"div\\",
-        { attrs: { id: \\"app\\" } },
+        "div",
+        { attrs: { id: "app" } },
         [
-          _c(\\"div\\", { style: { color: _vm.color } }, [_vm._v(_vm._s(_vm.foo))]),
-          _vm._v(\\" \\"),
+          _c("div", { style: { color: _vm.color } }, [_vm._v(_vm._s(_vm.foo))]),
+          _vm._v(" "),
           _vm._l(_vm.list, function (i) {
-            return _c(\\"p\\", [_vm._v(_vm._s(i))])
+            return _c("p", [_vm._v(_vm._s(i))])
           }),
-          _vm._v(\\" \\"),
-          _c(\\"foo\\", {
+          _vm._v(" "),
+          _c("foo", {
             inlineTemplate: {
               render: function () {
                 var _vm = this,
                   _c = _vm._self._c
-                return _c(\\"div\\", [_vm._v(_vm._s(_vm.bar))])
+                return _c("div", [_vm._v(_vm._s(_vm.bar))])
               },
               staticRenderFns: [],
             },
@@ -81,10 +81,10 @@ it('setup bindings', () => {
         _c = _vm._self._c,
         _setup = _vm._self._setupProxy
       return _c(
-        \\"div\\",
+        "div",
         {
           on: {
-            click: function (\$event) {
+            click: function ($event) {
               _setup.count++
             },
           },
diff --git a/test/unit/features/global-api/config.spec.ts b/test/unit/features/global-api/config.spec.ts
index 20080c987..c9cb6968d 100644
--- a/test/unit/features/global-api/config.spec.ts
+++ b/test/unit/features/global-api/config.spec.ts
@@ -116,7 +116,7 @@ describe('Global config', () => {
       expect(vm.computed).toBe('1,2,3')
       expect(vm.data).toBe('1,2,3')
 
-      vm.prop.push(4, 5)
+      vm.prop = [...vm.prop, 4, 5]
       expect(vm.computed).toBe('1,2,3,4,5')
       expect(vm.data).toBe('1,2,3,4,5')
       Vue.config.async = true