tests: replace test tmp directory with $TESTTMP in test output This reduces the number of patterns that must be adjusted when writing tests. [ original upstream description ]

Merge with stable

run-tests: handle .tst not ending with an LF [ original upstream description ]

tests: show skip reason instead of "irrelevant" with unified tests, too parsehghaveoutput expects just the test output, not the merged test/output, so for skipped unified tests e.g.: Skipped test-convert-darcs.t: missing feature: irrelevant was shown instead of: Skipped test-convert-darcs.t: missing feature: darcs client [ original upstream description ]