test: fix flow errors (#286)

Author: 38elements

src/wrappers/wrapper.js

@@ -413,8 +413,8 @@ export default class Wrapper implements BaseWrapper {
         }
         // $FlowIgnore : Problem with possibly null this.vm
         this.vm._computedWatchers[key].value = computed[key]
+        // $FlowIgnore : Problem with possibly null this.vm
         this.vm._computedWatchers[key].getter = () => computed[key]
-
       } else {
         // $FlowIgnore : Problem with possibly null this.vm
         if (!this.vm._watchers.some(w => w.getter.name === key)) {

test/unit/specs/mount/Wrapper/setComputed.spec.js

@@ -50,7 +50,7 @@ describe('setComputed', () => {
     }
 
     const wrapper = mount(TestComponent)
-    wrapper.setComputed({b: 3})
+    wrapper.setComputed({ b: 3 })
     expect(wrapper.vm.b).to.equal(3)
   })