Minor FAFT tweaks

The assert check in servo_test.py:wait_for_client() needs to to match
the while loop check (otherwise the assert would be out of sync with
the check in cases the original timeout is an odd or non-integer
number).

BUG=chromium-os:34392
TEST=manual
  . ran FAFT and observed it succeed tests using the wait_for_client()
    method

Change-Id: I2a11efc5856e5fae24e4262e44a3cd8ee4d328b4
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/36473
Reviewed-by: Mike Truty <truty@chromium.org>
Reviewed-by: Tom Wai-Hong Tam <waihong@chromium.org>
1 file changed