Testparser fix for catching qt.tests.insignificant

The script didn't catch the phrase "Note: qt.tests.insignificant
is set, but the tests succeeded." thus leaving the SQL table
with incorrect data in these cases.

Change-Id: I425ceb9328b92902809e46073c1eba12152b035a
Reviewed-by: Simo Fält <simo.falt@digia.com>