test(subject): test transient use as a signal stream
test(subject): test transient use as a signal stream

Test using a subject on and off, multiple times (for example, as a signal stream used periodically
with `until`).

TylorS/most-subject,mostjs-community/most-subject,TylorS/most-subject,mostjs-community/subject,brandonpayton/most-subject,brandonpayton/most-subject