Updating the agilent_scpi_unittest.py

agilent_scpi_unittest.py has been updated to import the right
function names from agilent_scpi.py which has been modified recently.

Minor format fix in rx_sensitivity.py

BUG=chromium:239255
TEST=Maunally run unittest_suite.py

Change-Id: I073688352b150a76dd14045fad7bc3594e3533ab
Reviewed-on: https://gerrit.chromium.org/gerrit/50542
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
Commit-Queue: Aviv Keshet <akeshet@chromium.org>
Tested-by: Aviv Keshet <akeshet@chromium.org>
2 files changed