self-test: show test failures using diff

We current show the old and new output for test failures.  This is now
helpful if the output is large.  Move over to using diff -u.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>


git-svn-id: http://test.kernel.org/svn/autotest/trunk@201 592f7852-d20e-0410-864c-8624ca9c26a4
1 file changed
tree: 8c140090f7673f398ffa09c9969b9cbecd7a6d41
  1. bin/
  2. deps/
  3. profilers/
  4. samples/
  5. tests/
  6. tools/
  7. DCO
  8. LICENSE