fix(parallel): 'XUNIT' and 'JSON' reporter crash (#4623)

Author: curtisman

lib/hook.js

@@ -62,7 +62,9 @@ Hook.prototype.error = function(err) {
  */
 Hook.prototype.serialize = function serialize() {
   return {
-    $$isPending: this.isPending(),
+    $$currentRetry: this.currentRetry(),
+    $$fullTitle: this.fullTitle(),
+    $$isPending: Boolean(this.isPending()),
     $$titlePath: this.titlePath(),
     ctx:
       this.ctx && this.ctx.currentTest
@@ -73,9 +75,13 @@ Hook.prototype.serialize = function serialize() {
             }
           }
         : {},
+    duration: this.duration,
+    file: this.file,
     parent: {
+      $$fullTitle: this.parent.fullTitle(),
       [MOCHA_ID_PROP_NAME]: this.parent.id
     },
+    state: this.state,
     title: this.title,
     type: this.type,
     [MOCHA_ID_PROP_NAME]: this.id

lib/suite.js

@@ -594,10 +594,10 @@ Suite.prototype.serialize = function serialize() {
   return {
     _bail: this._bail,
     $$fullTitle: this.fullTitle(),
-    $$isPending: this.isPending(),
+    $$isPending: Boolean(this.isPending()),
     root: this.root,
     title: this.title,
-    id: this.id,
+    [MOCHA_ID_PROP_NAME]: this.id,
     parent: this.parent ? {[MOCHA_ID_PROP_NAME]: this.parent.id} : null
   };
 };

lib/test.js

@@ -92,7 +92,7 @@ Test.prototype.serialize = function serialize() {
   return {
     $$currentRetry: this._currentRetry,
     $$fullTitle: this.fullTitle(),
-    $$isPending: this.pending,
+    $$isPending: Boolean(this.pending),
     $$retriedTest: this._retriedTest || null,
     $$slow: this._slow,
     $$titlePath: this.titlePath(),