2 PASS Can construct a CountQueuingStrategy with a valid high water mark
3 PASS Can construct a CountQueuingStrategy with any value as its high water mark
4 PASS CountQueuingStrategy instances have the correct properties
5 PASS Can construct a readable stream with a valid CountQueuingStrategy
6 PASS Correctly governs the return value of a ReadableStream's enqueue function (HWM = 0)
7 PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 1)
8 PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 4)