This is a testharness.js-based test.
PASS Can construct a readable stream with a valid CountQueuingStrategy 
PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 0) 
PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 1) 
FAIL Correctly governs a ReadableStreamController's desiredSize property (HWM = 4) assert_not_equals: got disallowed value undefined
PASS Untitled 
PASS Can construct a readable stream with a valid CountQueuingStrategy 
PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 0) 
PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 1) 
FAIL Correctly governs a ReadableStreamController's desiredSize property (HWM = 4) assert_not_equals: got disallowed value undefined
PASS Can construct a readable stream with a valid CountQueuingStrategy 
PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 0) 
PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 1) 
FAIL Correctly governs a ReadableStreamController's desiredSize property (HWM = 4) assert_not_equals: got disallowed value undefined 
PASS Can construct a readable stream with a valid CountQueuingStrategy 
PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 0) 
PASS Correctly governs a ReadableStreamController's desiredSize property (HWM = 1) 
FAIL Correctly governs a ReadableStreamController's desiredSize property (HWM = 4) assert_not_equals: got disallowed value undefined
FAIL Correctly governs a ReadableStreamController's desiredSize property (HWM = 4) assert_not_equals: got disallowed value undefined
Harness: the test ran to completion.