fix errorHandler tests

test/unit/features/global-api/config.spec.js

@@ -35,12 +35,15 @@ describe('Global config', () => {
   })
 
   describe('errorHandler', () => {
-    Vue.config.errorHandler = spy
-    const err = new Error()
-    const vm = new Vue({
-      render () { throw err }
-    }).$mount()
-    expect(spy).toHaveBeenCalledWith(err, vm)
-    Vue.config.errorHandler = null
+    it('should be called with correct args', () => {
+      const spy = jasmine.createSpy('errorHandler')
+      Vue.config.errorHandler = spy
+      const err = new Error()
+      const vm = new Vue({
+        render () { throw err }
+      }).$mount()
+      expect(spy).toHaveBeenCalledWith(err, vm)
+      Vue.config.errorHandler = null
+    })
   })
 })