run-tests: add possibility for test-runners to report a "warned" test result
A test result is recognized as "warned" when the test runner returns the exit
code False. (False is similar to 0, which is reporting a command has run
sucessfully.)
The only difference in display is that the failure message while running writes
"Warning:" instead of "ERROR:". The diff output is the same as when the test
fails. Runing "run-tests.py -i" asks to accept the changed result also for
tests reported as "warned".
When running tests, a "warned" test would look like this:
..
--- xxxx\tests\test-something.t
+++ xxxx\tests\test-something.t.err
@@ -1279,7 +1279,7 @@
$ echo anything
$ hg commit -S -m whatever
committing subrepository s
- committing subrepository s/sbs
+ committing subrepository s/sbs (glob)
warning: something happened
committing subrepository t
$ echo something
Warning: xxxx\tests\test-sOMETHING.t output changed
~.s...s...s..
Reporting a test result as "warned" will be used in following patches.
[ original upstream message ]
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15e8cd7f5295728b089fc8ba236c0f079572fb1d nohook
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