
FAIL Closing must be propagated forward: starts closed; preventClose omitted; fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose omitted; rejected close promise |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = undefined (falsy); fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = null (falsy); fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = false (falsy); fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = 0 (falsy); fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = -0 (falsy); fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = NaN (falsy); fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose =  (falsy); fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = true (truthy) |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = a (truthy) |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = 1 (truthy) |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = Symbol() (truthy) |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = [object Object] (truthy) |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = true, preventAbort = true |this| is not a Promise
FAIL Closing must be propagated forward: starts closed; preventClose = true, preventAbort = true, preventCancel = true |this| is not a Promise
FAIL Closing must be propagated forward: becomes closed asynchronously; preventClose omitted; fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: becomes closed asynchronously; preventClose omitted; rejected close promise |this| is not a Promise
FAIL Closing must be propagated forward: becomes closed asynchronously; preventClose = true |this| is not a Promise
FAIL Closing must be propagated forward: becomes closed asynchronously; dest never desires chunks; preventClose omitted; fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: becomes closed asynchronously; dest never desires chunks; preventClose omitted; rejected close promise |this| is not a Promise
FAIL Closing must be propagated forward: becomes closed asynchronously; dest never desires chunks; preventClose = true |this| is not a Promise
FAIL Closing must be propagated forward: becomes closed after one chunk; preventClose omitted; fulfilled close promise |this| is not a Promise
FAIL Closing must be propagated forward: becomes closed after one chunk; preventClose omitted; rejected close promise |this| is not a Promise
FAIL Closing must be propagated forward: becomes closed after one chunk; preventClose = true |this| is not a Promise
FAIL Closing must be propagated forward: shutdown must not occur until the final write completes |this| is not a Promise
FAIL Closing must be propagated forward: shutdown must not occur until the final write completes; preventClose = true |this| is not a Promise
FAIL Closing must be propagated forward: shutdown must not occur until the final write completes; becomes closed after first write |this| is not a Promise
FAIL Closing must be propagated forward: shutdown must not occur until the final write completes; becomes closed after first write; preventClose = true |this| is not a Promise
FAIL Closing must be propagated forward: erroring the writable while flushing pending writes should error pipeTo |this| is not a Promise