chore: fix test

Author: antfu

src/reactivity/reactive.ts

@@ -212,7 +212,7 @@ export function shallowReactive(obj: any): any {
 export function reactive<T extends object>(obj: T): UnwrapRef<T> {
   if (!isObject(obj)) {
     if (__DEV__) {
-      warn('"reactive()" is called without provide an "object".')
+      warn('"reactive()" must be called on an object.')
     }
     return obj as any
   }

test/apis/state.spec.js

@@ -92,11 +92,11 @@ describe('api/reactive', () => {
     warn = jest.spyOn(global.console, 'error').mockImplementation(() => null)
     reactive()
     expect(warn.mock.calls[0][0]).toMatch(
-      '[Vue warn]: "reactive()" is called without provide an "object".'
+      '[Vue warn]: "reactive()" must be called on an object.'
     )
     reactive(false)
     expect(warn.mock.calls[1][0]).toMatch(
-      '[Vue warn]: "reactive()" is called without provide an "object".'
+      '[Vue warn]: "reactive()" must be called on an object.'
     )
     expect(warn).toBeCalledTimes(2)
     warn.mockRestore()

test/v3/reactivity/reactive.spec.ts

@@ -189,7 +189,7 @@ describe('reactivity/reactive', () => {
     expect(
       warn.mock.calls.map((call) => {
         expect(call[0]).toBe(
-          '[Vue warn]: "reactive()" is called without provide an "object".'
+          '[Vue warn]: "reactive()" must be called on an object.'
         )
       })
     )
@@ -266,7 +266,7 @@ describe('reactivity/reactive', () => {
     expect(
       warn.mock.calls.map((call) => {
         expect(call[0]).toBe(
-          '[Vue warn]: "shallowReactive()" is called without provide an "object".'
+          '[Vue warn]: "shallowReactive()" must be called on an object.'
         )
       })
     )