Flaky Cannot assign to read only property 'owner' of object '#<Context>' #561

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1. rreckonerr commented on May 14, 2020

   

   rreckonerr

   on May 14, 2020

   Author

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   Mentioned error appears because of some tests being started before the previous one is finished, which results in tests getting wrong originalContext and not being able to clean it up properly. Is my assumption correct? Any ideas how can I debug this further?

     beforeEach(function () {
       originalContext = _assign({}, this);
       console.group(
         `${originalContext.test.parent.title} => ${originalContext.currentTest.title}`
       );
       return setupContext(this, options)
         .then(() => setupPauseTest(this))
         .then(() => chainHooks(beforeEachHooks, this));
     });
   
     afterEach(function () {
       return chainHooks(afterEachHooks, this)
         .then(() => teardownContext(this))
         .then(() => {
           // delete any extraneous properties
           for (let key in this) {
             if (!(key in originalContext)) {
               console.log("key to delete :>> ", key);
               delete this[key];
             }
           }
   
           // copy over the original values
           _assign(this, originalContext);
         })
         .catch((error) => {
           console.log("this :>> ", this);
           console.log("originalContext :>> ", originalContext);
           console.error(error);
         })
         .finally(() => {
           console.groupEnd();
         });
     });

   

   Example in the screenshot is failing randomly.
2. notchris commented on Jun 3, 2021

   

   notchris

   on Jun 3, 2021

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   Can confirm this issue occurs