
Harness Error (FAIL), message = Unhandled rejection: |this| is not a Promise

PASS enqueue() inside size() should work 
PASS close() inside size() should not crash 
PASS close request inside size() should work 
PASS error() inside size() should work 
PASS desiredSize inside size() should work 
PASS cancel() inside size() should work 
FAIL pipeTo() inside size() should behave as expected |this| is not a Promise
PASS read() inside of size() should behave as expected 
PASS getReader() inside size() should work 
PASS tee() inside size() should work