| Verify that the custom properties on a WebGL rendering context object are retained across GCs. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS context.customProperty is "value" | |
| PASS extensionObject.customProperty is "value" | |
| PASS context.customProperty is "value" | |
| PASS extensionObject.customProperty is "value" | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |