eCTS: Fix alignment of test results

This patch fixes the alignment of test results. It also displays
'YES' or 'NO' instead of '1' or '0' for expected string columns:

    TEST NAME          TH_RC        DUT_RC     TH_STR DUT_STR RESULT
success_test             SUCCESS       SUCCESS    YES     YES   PASS
fail_dut_test            SUCCESS       FAILURE    YES     YES   PASS
fail_th_test             FAILURE       SUCCESS    YES     YES   PASS
fail_both_test           FAILURE       FAILURE    YES     YES   PASS
bad_sync_test           BAD_SYNC       SUCCESS    YES     YES   PASS
bad_sync_both_test      BAD_SYNC      BAD_SYNC    YES     YES   PASS
hang_test                SUCCESS   DID_NOT_END    YES     YES   PASS
did_not_start_test   DID_NOT_END DID_NOT_START    YES     YES   PASS

BUG=chromium:664309
BRANCH=none
TEST=Run cts.py -m meta

Change-Id: I7d266b9a6458fcabafa4da484b54d9d1dffbad61
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/545257
Reviewed-by: Randall Spangler <rspangler@chromium.org>
4 files changed