[O] error while upgrading to 8.3.5

[Vikas Rawal]

I did the usual "make up2" in my git repository but got the following error 
(just pasting the tail of the log):

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Ran 634 tests, 633 results as expected, 1 unexpected (2016-07-25 06:07:28+0530)
7 expected failures

1 unexpected results:
   FAILED  test-org-colview/columns-summary

mk/targets.mk:103: recipe for target 'test-dirty' failed
make[1]: *** [test-dirty] Error 1
make[1]: Leaving directory '/Users/vikas/.emacs.d/src/org-mode'
mk/targets.mk:115: recipe for target 'up2' failed
make: *** [up2] Error 2

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What do I do? Re-install?

Vikas