Various regressions in tests

[brettviren]

This main posting has seen some churn as dozens of test failures were fixed.

Here is a list of things left unfixed to date. Please check or delete as they get fixed.

The frame ends up being empty

test/test/test-morse-pdsp.bats [12.269s]

Cosmetic change in log file comparison, need history update

img/test/test-wct-uboone-img-full.bats [1m40.757s]
img/test/test-wct-uboone-img.bats [1m50.501s]

Issue #351

test/test/test-issue220.bats [0.806s]

These fail under a winch container but not when run interactively on a Debian host

/winch/toolkit/test/test/test_wct_bats.bats [4.356s]
/winch/toolkit/gen/test/test-noise-roundtrip.bats [11.410s]