
PASS Can construct a writable stream with a valid CountQueuingStrategy 
FAIL Correctly governs the value of a WritableStream's state property (HWM = 0) assert_equals: After 0 writes, 0 of which finished, state should be 'writable' expected (string) "writable" but got (undefined) undefined
FAIL Correctly governs the value of a WritableStream's state property (HWM = 4) assert_equals: After 0 writes, 0 of which finished, state should be 'writable' expected (string) "writable" but got (undefined) undefined