| This test verifies that the stack property able to be deleted and written to by the developer. | |
| Creating new Error e | |
| PASS typeof(e.stack) == "string" is true | |
| Deleting the stack property should make it undefined. | |
| PASS e.stack is undefined. | |
| Writing to the stack property. | |
| PASS e.stack == "Brand new stack!" is true | |