tests: ensure regexes match to the end of the string Regular expressions in the test suite are currently written assuming that you need a trailing ".*" to avoid matching to the end. Instead of matching regular expressions using "^pattern", this patch makes matching more restrictive by matching "^pattern$". [ original upstream message ]

tests: don't match blank output lines as regexes in unified tests Currently, the following unified test will pass: $ echo foo A blank output line (a line containing just two spaces) will match any output. The patch modifies the unified test runner to ignore empty strings strings when do regular expression matching. [ original upstream message ]

tests: improve regexes in unified tests [ original upstream message ]