Remove async of cypress command and add contribution default value to post edit _id.

cypress/support/commands.js

@@ -49,9 +49,8 @@ Cypress.Commands.add(
   'mutate',
   { prevSubject: true },
   (graphQLClient, mutation, variables, response) => {
-    return new Cypress.Promise(async (resolve, reject) => {
+    return new Cypress.Promise((resolve, reject) => {
       graphQLClient.request(mutation, variables).then(() => resolve(graphQLClient))
-
     })
   })
 

webapp/pages/post/edit/_id.vue

@@ -41,7 +41,11 @@ export default {
     }),
   },
   data() {
-    return { contribution: {} }
+    return { 
+      contribution: {
+        postType: ['Article'],
+      } 
+    }
   },
   async asyncData(context) {
     const {